The Smart Device Compare comparison

Meross Smart Sprinkler Timer MST200 vs Sonoff Hydro DUO

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Meross Smart Sprinkler Timer MST200 and Sonoff Hydro DUO

A summary of selected recorded differences between these water timers. Check the full specification table below for details and conditions.

Feature differences among your selected devices

Bluetooth (connectivity): Meross Smart Sprinkler Timer MST200 — No; Sonoff Hydro DUO — Yes.
Child Lock (features): Meross Smart Sprinkler Timer MST200 — No (The official feature list describes one-touch manual watering on the two zone buttons and never mentions a child or button lock.); Sonoff Hydro DUO — Yes.
Capacity Mode (irrigation plans): Meross Smart Sprinkler Timer MST200 — No (The official scheduling spec is time based only (start time, duration, frequency); water use is reported, not used as a stop condition.); Sonoff Hydro DUO — Yes (Each schedule can be set by duration or by capacity, with a user-set failsafe time limit that stops the cycle if the target volume is not reached.).
Irrigation Volume (irrigation plans): Meross Smart Sprinkler Timer MST200 — No (The official scheduling spec is time based only (start time, duration, frequency); water use is reported, not used as a stop condition.); Sonoff Hydro DUO — Yes.

Specifications to check side by side

Zigbee (connectivity): Meross Smart Sprinkler Timer MST200 — No; Sonoff Hydro DUO — Zigbee Hub required.
Apple Home (integrations): Meross Smart Sprinkler Timer MST200 — Meross Hub required (Listed as supported on the official product page, through the Meross Smart Hub the timer is paired to. | Meross notes that Apple Home coverage is voice and remote control, without Apple Home automation features.); Sonoff Hydro DUO — No (SONOFF's Matter bridge device list covers the Hydro valves (SWV-NH and SWV-BSP) but states they are supported only in Google Home, because Apple Home does not implement the water valve device type. Apple Home has no Zigbee radio either, so there is no other route.).
Google Home (integrations): Meross Smart Sprinkler Timer MST200 — Meross Hub required (Listed as supported on the official product page, through the Meross Smart Hub the timer is paired to.); Sonoff Hydro DUO — Yes (SONOFF's Hydro series comparison table lists Google Home for the Hydro DUO, reached either through a SONOFF Matter bridge or through eWeLink cloud-to-cloud linking. Google Home is the one Matter platform that renders the water valve device type.).
Home Assistant (integrations): Meross Smart Sprinkler Timer MST200 — Meross Hub required (The community Meross LAN integration for Home Assistant (HACS) reaches the timer through the hub. MST200 support landed in the 6.0.0 alpha line, where testers report both zone switches and the per-channel watering settings working; the 5.x releases detect it as an MST100 and expose only one zone.); Sonoff Hydro DUO — Yes (SONOFF documents the Hydro DUO on Home Assistant through both Zigbee2MQTT and ZHA, listing which features each exposes. ZHA additionally needs the Hydro_DUO_ZHA_Script SONOFF publishes.).

Information still to confirm

1 of 23 comparison fields lack a resolved value for at least one selected device. Missing information is not evidence that a feature is absent.
Check the full table and manufacturer documentation before ruling out a device.

These observations are derived from recorded catalog data and have not all been independently verified. Confirm details with the manufacturer before purchasing.

Compare capabilities, compatibility and setup requirements.

Option 1 · Meross

Meross Smart Sprinkler Timer MST200

Last updated October 2026

View full device profile

Option 2 · Sonoff

Sonoff Hydro DUO

Last updated October 2026

View full device profile

What the catalog tells us

Understand the tradeoffs.

These counts describe the available data, not a quality score. More features do not automatically make a better device.

10differences with recorded values for every device

1rows with missing or unspecified information

Consider your setup

Apple Home

Meross Smart Sprinkler Timer MST200Meross Hub required
Sonoff Hydro DUONo

Confirm which features appear in Apple Home and whether extra hardware or a subscription is needed for your intended use.

Inspect the specifications

Consider your setup

Home Assistant

Meross Smart Sprinkler Timer MST200Meross Hub required
Sonoff Hydro DUOYes

Check the integration method, supported model and firmware. A catalog Yes does not establish local control or official support.

Inspect the specifications

Consider your setup

Matter

Meross Smart Sprinkler Timer MST200No
Sonoff Hydro DUOSONOFF Hub required

Confirm the exact device type and the features exposed in your chosen platform. Protocol support does not establish feature parity across apps.

Inspect the specifications

Your priorities, side by side

Focus on what changes.

Mark the specifications you care about. Open manufacturer sources for verification scope; fields without citations remain catalog data. Expand notes for other qualifications.

Differences onlyMy priorities (0)

Showing 23 of 23 rows. “Not recorded” does not mean “No”.

Reading layout

Alerts

Abnormality Alerts

Meross Smart Sprinkler Timer MST200: Yes
Catalog note
The Meross app sends instant notifications for system irregularities.
Sonoff Hydro DUO: Yes
Catalog note
Real-time app alerts for low battery, water shortage (flow under 5 L/min), water leakage (flow detected after the valve closes) and freeze risk, with an option to close the valve automatically on a water shortage.

Connectivity

2.4 GHz Wi-Fi

Meross Smart Sprinkler Timer MST200: No
Catalog note
The official specification lists the timer's wireless standard as 433MHz RF and requires a Meross Smart Hub: the hub holds the 2.4GHz Wi-Fi radio, the timer does not. | One hub covers up to 24 timers.
Sonoff Hydro DUO: No

5 GHz Wi-Fi

Meross Smart Sprinkler Timer MST200: No
Sonoff Hydro DUO: No

Bluetooth

Meross Smart Sprinkler Timer MST200: No
Sonoff Hydro DUO: Yes

Thread

Meross Smart Sprinkler Timer MST200: No
Sonoff Hydro DUO: No

Z Wave

Meross Smart Sprinkler Timer MST200: No
Sonoff Hydro DUO: No

Zigbee

Meross Smart Sprinkler Timer MST200: No
Sonoff Hydro DUO: Zigbee Hub required

Features

Automations

Meross Smart Sprinkler Timer MST200: Yes
Catalog note
Weather-based Smart Skip suspends watering before, during and after rain and in freezing or high-wind conditions, and an adjustable auto shut-off (15 minutes by default) closes the valve on its own.
Sonoff Hydro DUO: Yes

Child Lock

Meross Smart Sprinkler Timer MST200

Catalog note

The official feature list describes one-touch manual watering on the two zone buttons and never mentions a child or button lock.

Sonoff Hydro DUO

Yes

Manufacturer source

A child lock is provided.

Sonoff Hydro DUO manufacturer product page →

Source section: Product description
Model: Sonoff Hydro DUO
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

EU and US hose thread variants are not interchangeable.

Document check only; not a hands-on test or verification of every regional or firmware variant.

History Records

Meross Smart Sprinkler Timer MST200: Yes
Catalog note
The app keeps a watering history alongside historical water consumption.
Sonoff Hydro DUO: Yes
Catalog note
Daily, monthly and half-yearly charts of watering duration and volume per zone, viewable and downloadable for up to 6 months.

Outlets

Meross Smart Sprinkler Timer MST200

Sonoff Hydro DUO

Manufacturer source

Two watering outlets can be scheduled independently.

Sonoff Hydro DUO manufacturer product page →

Source section: Product description
Model: Sonoff Hydro DUO
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

EU and US hose thread variants are not interchangeable.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Water Consumption Monitoring

Meross Smart Sprinkler Timer MST200

Yes

Manufacturer source

The timer tracks water usage.

Meross Smart Sprinkler Timer MST200 manufacturer product page →

Source section: Product description and product specifications
Model: Meross Smart Sprinkler Timer MST200
Region: US MST200HHK kit
Firmware: Not specified by this source
Checked: 2026-10-04

US kit variant. The timer and hub have different electrical and weather-resistance ratings; batteries are not included.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Real-time and historical water consumption per zone in the Meross app.

Sonoff Hydro DUO

Yes

Catalog note

Built-in flow meter reading 2 to 45 L/min, which the valve uses for volume-based watering and per-zone usage tracking.

Integrations

Alexa

Meross Smart Sprinkler Timer MST200: No
Catalog note
Alexa supports neither the Matter Water Valve device type nor any irrigation category, so the valve has nothing to map to
Sonoff Hydro DUO: No
Catalog note
Alexa supports neither the Matter Water Valve device type nor any irrigation category, so the valve has nothing to map to

Apple Home

Meross Smart Sprinkler Timer MST200: Meross Hub required
Catalog note
Listed as supported on the official product page, through the Meross Smart Hub the timer is paired to. | Meross notes that Apple Home coverage is voice and remote control, without Apple Home automation features.
Sonoff Hydro DUO: No
Catalog note
SONOFF's Matter bridge device list covers the Hydro valves (SWV-NH and SWV-BSP) but states they are supported only in Google Home, because Apple Home does not implement the water valve device type. Apple Home has no Zigbee radio either, so there is no other route.

Google Home

Meross Smart Sprinkler Timer MST200: Meross Hub required
Catalog note
Listed as supported on the official product page, through the Meross Smart Hub the timer is paired to.
Sonoff Hydro DUO: Yes
Catalog note
SONOFF's Hydro series comparison table lists Google Home for the Hydro DUO, reached either through a SONOFF Matter bridge or through eWeLink cloud-to-cloud linking. Google Home is the one Matter platform that renders the water valve device type.

Home Assistant

Meross Smart Sprinkler Timer MST200: Meross Hub required
Catalog note
The community Meross LAN integration for Home Assistant (HACS) reaches the timer through the hub. MST200 support landed in the 6.0.0 alpha line, where testers report both zone switches and the per-channel watering settings working; the 5.x releases detect it as an MST100 and expose only one zone.
Sonoff Hydro DUO: Yes
Catalog note
SONOFF documents the Hydro DUO on Home Assistant through both Zigbee2MQTT and ZHA, listing which features each exposes. ZHA additionally needs the Hydro_DUO_ZHA_Script SONOFF publishes.

Matter

Meross Smart Sprinkler Timer MST200: No
Catalog note
The official product page's compatibility matrix marks Matter and Thread as not supported.
Sonoff Hydro DUO: SONOFF Hub required
Catalog note
The valve is not a Matter device itself: it is Zigbee 3.0 only. SONOFF lists the Hydro valves (SWV-NH, SWV-BSP) among the models its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) republish to Matter, exposing valve configuration and control plus flow measurement.

SmartThings

Meross Smart Sprinkler Timer MST200: Meross Hub required
Catalog note
Listed as supported on the official product page, through the Meross Smart Hub the timer is paired to.
Sonoff Hydro DUO: Yes
Catalog note
SONOFF's compatible Zigbee hubs table for the Hydro DUO lists SmartThings through the Aeotec Smart Home Hub V3 acting as the Zigbee gateway, covering manual irrigation and scene linkage.

Irrigation Plans

Capacity Mode

Meross Smart Sprinkler Timer MST200: No
Catalog note
The official scheduling spec is time based only (start time, duration, frequency); water use is reported, not used as a stop condition.
Sonoff Hydro DUO: Yes
Catalog note
Each schedule can be set by duration or by capacity, with a user-set failsafe time limit that stops the cycle if the target volume is not reached.

Irrigation Volume

Meross Smart Sprinkler Timer MST200: No
Catalog note
The official scheduling spec is time based only (start time, duration, frequency); water use is reported, not used as a stop condition.
Sonoff Hydro DUO: Yes

Schedule Mode

Meross Smart Sprinkler Timer MST200

Yes

Manufacturer source

Watering schedules can be configured.

Meross Smart Sprinkler Timer MST200 manufacturer product page →

Source section: Product description and product specifications
Model: Meross Smart Sprinkler Timer MST200
Region: US MST200HHK kit
Firmware: Not specified by this source
Checked: 2026-10-04

US kit variant. The timer and hub have different electrical and weather-resistance ratings; batteries are not included.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Per-zone schedules with adjustable start times, durations from 1 minute to 24 hours and frequency by weekday, fixed interval or odd/even days. | Watering plans are stored on the timer itself, so they keep running when the internet connection drops (the weather skip does not).

Sonoff Hydro DUO

Yes

Manufacturer source

Each channel supports up to six watering schedules.

Sonoff Hydro DUO manufacturer product page →

Source section: Product description
Model: Sonoff Hydro DUO
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

EU and US hose thread variants are not interchangeable.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Catalog note

Up to 6 smart schedules per channel, 12 in total, with rain delay, seasonal multipliers per month and weather-based skipping of the next 24 hours.

Power

Battery Life

Meross Smart Sprinkler Timer MST200: Not recorded
Sonoff Hydro DUO: 1 year

Battery Type

Meross Smart Sprinkler Timer MST200

4x AA

Manufacturer source

The timer takes four 1.5 V alkaline AA batteries.

Meross Smart Sprinkler Timer MST200 manufacturer product page →

Source section: Product description and product specifications
Model: Meross Smart Sprinkler Timer MST200
Region: US MST200HHK kit
Firmware: Not specified by this source
Checked: 2026-10-04

US kit variant. The timer and hub have different electrical and weather-resistance ratings; batteries are not included.

Document check only; not a hands-on test or verification of every regional or firmware variant.

Sonoff Hydro DUO

4x AA

Specifications for Meross Smart Sprinkler Timer MST200 versus Sonoff Hydro DUO
Specification	Meross Smart Sprinkler Timer MST200	Sonoff Hydro DUO
Alerts
Abnormality Alerts	Yes Catalog note The Meross app sends instant notifications for system irregularities.	Yes Catalog note Real-time app alerts for low battery, water shortage (flow under 5 L/min), water leakage (flow detected after the valve closes) and freeze risk, with an option to close the valve automatically on a water shortage.
Connectivity
2.4 GHz Wi-Fi	No Catalog note The official specification lists the timer's wireless standard as 433MHz RF and requires a Meross Smart Hub: the hub holds the 2.4GHz Wi-Fi radio, the timer does not. \| One hub covers up to 24 timers.	No
5 GHz Wi-Fi	No	No
Bluetooth	No	Yes
Thread	No	No
Z Wave	No	No
Zigbee	No	Zigbee Hub required
Features
Automations	Yes Catalog note Weather-based Smart Skip suspends watering before, during and after rain and in freezing or high-wind conditions, and an adjustable auto shut-off (15 minutes by default) closes the valve on its own.	Yes
Child Lock	No Catalog note The official feature list describes one-touch manual watering on the two zone buttons and never mentions a child or button lock.	Yes Manufacturer source A child lock is provided. Sonoff Hydro DUO manufacturer product page → Source section Product description Model Sonoff Hydro DUO Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 EU and US hose thread variants are not interchangeable. Document check only; not a hands-on test or verification of every regional or firmware variant.
History Records	Yes Catalog note The app keeps a watering history alongside historical water consumption.	Yes Catalog note Daily, monthly and half-yearly charts of watering duration and volume per zone, viewable and downloadable for up to 6 months.
Outlets	2	2 Manufacturer source Two watering outlets can be scheduled independently. Sonoff Hydro DUO manufacturer product page → Source section Product description Model Sonoff Hydro DUO Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 EU and US hose thread variants are not interchangeable. Document check only; not a hands-on test or verification of every regional or firmware variant.
Water Consumption Monitoring	Yes Manufacturer source The timer tracks water usage. Meross Smart Sprinkler Timer MST200 manufacturer product page → Source section Product description and product specifications Model Meross Smart Sprinkler Timer MST200 Region US MST200HHK kit Firmware Not specified by this source Checked 2026-10-04 US kit variant. The timer and hub have different electrical and weather-resistance ratings; batteries are not included. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Real-time and historical water consumption per zone in the Meross app.	Yes Catalog note Built-in flow meter reading 2 to 45 L/min, which the valve uses for volume-based watering and per-zone usage tracking.
Integrations
Alexa	No Catalog note Alexa supports neither the Matter Water Valve device type nor any irrigation category, so the valve has nothing to map to	No Catalog note Alexa supports neither the Matter Water Valve device type nor any irrigation category, so the valve has nothing to map to
Apple Home	Meross Hub required Catalog note Listed as supported on the official product page, through the Meross Smart Hub the timer is paired to. \| Meross notes that Apple Home coverage is voice and remote control, without Apple Home automation features.	No Catalog note SONOFF's Matter bridge device list covers the Hydro valves (SWV-NH and SWV-BSP) but states they are supported only in Google Home, because Apple Home does not implement the water valve device type. Apple Home has no Zigbee radio either, so there is no other route.
Google Home	Meross Hub required Catalog note Listed as supported on the official product page, through the Meross Smart Hub the timer is paired to.	Yes Catalog note SONOFF's Hydro series comparison table lists Google Home for the Hydro DUO, reached either through a SONOFF Matter bridge or through eWeLink cloud-to-cloud linking. Google Home is the one Matter platform that renders the water valve device type.
Home Assistant	Meross Hub required Catalog note The community Meross LAN integration for Home Assistant (HACS) reaches the timer through the hub. MST200 support landed in the 6.0.0 alpha line, where testers report both zone switches and the per-channel watering settings working; the 5.x releases detect it as an MST100 and expose only one zone.	Yes Catalog note SONOFF documents the Hydro DUO on Home Assistant through both Zigbee2MQTT and ZHA, listing which features each exposes. ZHA additionally needs the Hydro_DUO_ZHA_Script SONOFF publishes.
Matter	No Catalog note The official product page's compatibility matrix marks Matter and Thread as not supported.	SONOFF Hub required Catalog note The valve is not a Matter device itself: it is Zigbee 3.0 only. SONOFF lists the Hydro valves (SWV-NH, SWV-BSP) among the models its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) republish to Matter, exposing valve configuration and control plus flow measurement.
SmartThings	Meross Hub required Catalog note Listed as supported on the official product page, through the Meross Smart Hub the timer is paired to.	Yes Catalog note SONOFF's compatible Zigbee hubs table for the Hydro DUO lists SmartThings through the Aeotec Smart Home Hub V3 acting as the Zigbee gateway, covering manual irrigation and scene linkage.
Irrigation Plans
Capacity Mode	No Catalog note The official scheduling spec is time based only (start time, duration, frequency); water use is reported, not used as a stop condition.	Yes Catalog note Each schedule can be set by duration or by capacity, with a user-set failsafe time limit that stops the cycle if the target volume is not reached.
Irrigation Volume	No Catalog note The official scheduling spec is time based only (start time, duration, frequency); water use is reported, not used as a stop condition.	Yes
Schedule Mode	Yes Manufacturer source Watering schedules can be configured. Meross Smart Sprinkler Timer MST200 manufacturer product page → Source section Product description and product specifications Model Meross Smart Sprinkler Timer MST200 Region US MST200HHK kit Firmware Not specified by this source Checked 2026-10-04 US kit variant. The timer and hub have different electrical and weather-resistance ratings; batteries are not included. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Per-zone schedules with adjustable start times, durations from 1 minute to 24 hours and frequency by weekday, fixed interval or odd/even days. \| Watering plans are stored on the timer itself, so they keep running when the internet connection drops (the weather skip does not).	Yes Manufacturer source Each channel supports up to six watering schedules. Sonoff Hydro DUO manufacturer product page → Source section Product description Model Sonoff Hydro DUO Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 EU and US hose thread variants are not interchangeable. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Up to 6 smart schedules per channel, 12 in total, with rain delay, seasonal multipliers per month and weather-based skipping of the next 24 hours.
Power
Battery Life	Not recorded	1 year
Battery Type	4x AA Manufacturer source The timer takes four 1.5 V alkaline AA batteries. Meross Smart Sprinkler Timer MST200 manufacturer product page → Source section Product description and product specifications Model Meross Smart Sprinkler Timer MST200 Region US MST200HHK kit Firmware Not specified by this source Checked 2026-10-04 US kit variant. The timer and hub have different electrical and weather-resistance ratings; batteries are not included. Document check only; not a hands-on test or verification of every regional or firmware variant.	4x AA

Know what’s behind the comparison.

The table matches specifications by section and field. It preserves notes, separates missing data from explicit “No” values, and keeps qualifications attached to their values. No overall winner is assigned from feature counts.

Read our comparison methodology