The Smart Device Compare comparison

Graywind Motorized Blackout Roller Shade vs Zemismart MT03B Matter Thread Curtain Motor

Understand the differences. Decide what matters to your home.

Before you compare every specification

Key differences between Graywind Motorized Blackout Roller Shade and Zemismart MT03B Matter Thread Curtain Motor

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

Feature differences among your selected devices

Custom Sizing (installation): Graywind Motorized Blackout Roller Shade — Yes; Zemismart MT03B Matter Thread Curtain Motor — No (The splicing track is sold in set lengths from 2m to 8m, not built to the exact width of one window.).
Matter (integrations): Graywind Motorized Blackout Roller Shade — No (This motor is Zigbee; Graywind sells Matter support only on its separate Motionblinds range.); Zemismart MT03B Matter Thread Curtain Motor — Yes (Matter over Thread, sold by Zemismart as a Matter-certified device and working across Apple Home, Alexa, Google Home, SmartThings and Home Assistant.).

Specifications to check side by side

Other (connectivity): Graywind Motorized Blackout Roller Shade — RF (A 15 channel timer remote drives the motor over its own radio link, with 20 date and time groups.); Zemismart MT03B Matter Thread Curtain Motor — No.
Thread (connectivity): Graywind Motorized Blackout Roller Shade — No; Zemismart MT03B Matter Thread Curtain Motor — Thread Border Router required (It is a Matter over Thread device, so it needs a Matter controller with a Thread border router.).
Zigbee (connectivity): Graywind Motorized Blackout Roller Shade — Zigbee Hub required (Pairs straight with the Echo models that carry a Zigbee radio, with no separate hub.); Zemismart MT03B Matter Thread Curtain Motor — No.
Covering Type (covering): Graywind Motorized Blackout Roller Shade — Roller Shades (A made to measure blackout roller shade in the Fabric series.); Zemismart MT03B Matter Thread Curtain Motor — Curtains (A motorised splicing track with carriers and hooks that slides curtain panels along it.).

Information still to confirm

10 of 37 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 · Graywind

Graywind Motorized Blackout Roller Shade

Last updated October 2026

View full device profile

Option 2 · Zemismart

Zemismart MT03B Matter Thread Curtain Motor

Catalog update date not recorded

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.

9differences with recorded values for every device

10rows with missing or unspecified information

Consider your setup

Matter

Graywind Motorized Blackout Roller ShadeNo
Zemismart MT03B Matter Thread Curtain MotorYes

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

Consider your setup

Battery Life

Graywind Motorized Blackout Roller Shade6 months
Zemismart MT03B Matter Thread Curtain Motor3 months

Compare the stated test conditions. Catalog battery figures alone do not predict runtime in your home.

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 37 of 37 rows. “Not recorded” does not mean “No”.

Reading layout

Connectivity

2.4 GHz Wi-Fi

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: No

Bluetooth

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: No

Other

Graywind Motorized Blackout Roller Shade: RF
Catalog note
A 15 channel timer remote drives the motor over its own radio link, with 20 date and time groups.
Zemismart MT03B Matter Thread Curtain Motor: No

Thread

Graywind Motorized Blackout Roller Shade

Zemismart MT03B Matter Thread Curtain Motor

Thread Border Router required

Manufacturer source

Thread networking requires a compatible border router.

Zemismart MT03B Matter Thread Curtain Motor manufacturer product page →

Source section: Product description
Model: Zemismart MT03B Matter Thread Curtain Motor
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

A Matter controller with Thread border-router functionality is required. Track layout and curtain load must match installation requirements.

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

Catalog note

It is a Matter over Thread device, so it needs a Matter controller with a Thread border router.

Z Wave

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: No

Zigbee

Graywind Motorized Blackout Roller Shade: Zigbee Hub required
Catalog note
Pairs straight with the Echo models that carry a Zigbee radio, with no separate hub.
Zemismart MT03B Matter Thread Curtain Motor: No

Covering

Covering Type

Graywind Motorized Blackout Roller Shade: Roller Shades
Catalog note
A made to measure blackout roller shade in the Fabric series.
Zemismart MT03B Matter Thread Curtain Motor: Curtains
Catalog note
A motorised splicing track with carriers and hooks that slides curtain panels along it.

Features

Automations

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: Yes

Group Control

Graywind Motorized Blackout Roller Shade: Yes
Catalog note
Up to 15 shades on one remote, individually or in groups.
Zemismart MT03B Matter Thread Curtain Motor: Not recorded

History Records

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: Not recorded

Light Sensor

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: No

Remote Control Included

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: Yes
Catalog note
An RF remote with open, stop and close is included; it uses a CR2032 battery and mounts magnetically.

Scheduling

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: Yes
Catalog note
Opening and closing schedules for morning, evening or daily automation scenes.

Sunrise Sunset Scheduling

Graywind Motorized Blackout Roller Shade: Not recorded
Zemismart MT03B Matter Thread Curtain Motor: Not recorded

Installation

Custom Sizing

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: No
Catalog note
The splicing track is sold in set lengths from 2m to 8m, not built to the exact width of one window.

Max Covering Weight

Graywind Motorized Blackout Roller Shade: Not applicable / unspecified
Zemismart MT03B Matter Thread Curtain Motor: 50kg
Catalog note
Zemismart rates the motor for a maximum load of 50 kg.

Max Covering Width

Graywind Motorized Blackout Roller Shade: 109 in
Catalog note
Graywind builds this shade from 20 to 109 inches wide and 21 to 110 inches high.
Zemismart MT03B Matter Thread Curtain Motor: 8m

Retrofit Kit

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: No
Catalog note
It is a complete motorised track kit, not a motor that clips onto the rail you already have.

Tool Free Installation

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: No
Catalog note
The track and its brackets are screwed to the wall or ceiling, so mounting needs tools.

Integrations

Alexa

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: Yes
Catalog note
Commissioned into Alexa over Matter with a Thread border router such as an Echo 4th Gen or Echo Hub.

Apple Home

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: Yes
Catalog note
Via Matter, with a HomePod or Apple TV 4K acting as the Thread border router.

Google Home

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: Yes
Catalog note
Commissioned into Google Home over Matter with a Thread border router (Nest Hub, eero 6 and similar).

Home Assistant

Graywind Motorized Blackout Roller Shade: Not recorded
Zemismart MT03B Matter Thread Curtain Motor: Yes
Catalog note
Commissioned into Home Assistant as a Matter device through a Thread border router.

Matter

Graywind Motorized Blackout Roller Shade

Catalog note

This motor is Zigbee; Graywind sells Matter support only on its separate Motionblinds range.

Zemismart MT03B Matter Thread Curtain Motor

Yes

Manufacturer source

The curtain motor supports Matter over Thread.

Zemismart MT03B Matter Thread Curtain Motor manufacturer product page →

Source section: Product description
Model: Zemismart MT03B Matter Thread Curtain Motor
Region: Manufacturer product page; no universal regional compatibility implied
Firmware: Not specified by this source
Checked: 2026-10-04

A Matter controller with Thread border-router functionality is required. Track layout and curtain load must match installation requirements.

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

Catalog note

Matter over Thread, sold by Zemismart as a Matter-certified device and working across Apple Home, Alexa, Google Home, SmartThings and Home Assistant.

SmartThings

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: Yes
Catalog note
Via Matter, with a SmartThings Hub v3 or Station acting as the Thread border router.

Light Control

Blackout

Graywind Motorized Blackout Roller Shade: Yes
Catalog note
Blocks 100% of sunlight and UV, with a waterproof back layer.
Zemismart MT03B Matter Thread Curtain Motor: Not applicable / unspecified

Light Filtering

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: Not applicable / unspecified

Thermal Insulation

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: Not applicable / unspecified

Motor

Manual Operation

Graywind Motorized Blackout Roller Shade: Not recorded
Zemismart MT03B Matter Thread Curtain Motor: Yes
Catalog note
A gentle pull on the curtain starts the motor and finishes the movement.

Noise Level

Graywind Motorized Blackout Roller Shade: Not recorded
Zemismart MT03B Matter Thread Curtain Motor: Not recorded

Position Control

Graywind Motorized Blackout Roller Shade: Yes
Catalog note
Percentage positions from the app and by voice.
Zemismart MT03B Matter Thread Curtain Motor: Yes

Tilt Control

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: No

Power

Battery Life

Graywind Motorized Blackout Roller Shade: 6 months
Zemismart MT03B Matter Thread Curtain Motor: 3 months

Battery Type

Graywind Motorized Blackout Roller Shade: Lithium-ion
Zemismart MT03B Matter Thread Curtain Motor: Lithium-ion 6400mAh

Rechargeable Battery

Graywind Motorized Blackout Roller Shade: Yes
Zemismart MT03B Matter Thread Curtain Motor: Yes
Catalog note
The built-in 6400mAh battery recharges over USB-C (DC 5V 1A).

Solar Charging

Graywind Motorized Blackout Roller Shade: Sold separately
Zemismart MT03B Matter Thread Curtain Motor: Sold separately
Catalog note
An optional solar panel keeps the battery topped up; it is not included with the kit.

Wired

Graywind Motorized Blackout Roller Shade: No
Zemismart MT03B Matter Thread Curtain Motor: No

Specifications for Graywind Motorized Blackout Roller Shade versus Zemismart MT03B Matter Thread Curtain Motor
Specification	Graywind Motorized Blackout Roller Shade	Zemismart MT03B Matter Thread Curtain Motor
Connectivity
2.4 GHz Wi-Fi	No	No
Bluetooth	No	No
Other	RF Catalog note A 15 channel timer remote drives the motor over its own radio link, with 20 date and time groups.	No
Thread	No	Thread Border Router required Manufacturer source Thread networking requires a compatible border router. Zemismart MT03B Matter Thread Curtain Motor manufacturer product page → Source section Product description Model Zemismart MT03B Matter Thread Curtain Motor Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 A Matter controller with Thread border-router functionality is required. Track layout and curtain load must match installation requirements. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note It is a Matter over Thread device, so it needs a Matter controller with a Thread border router.
Z Wave	No	No
Zigbee	Zigbee Hub required Catalog note Pairs straight with the Echo models that carry a Zigbee radio, with no separate hub.	No
Covering
Covering Type	Roller Shades Catalog note A made to measure blackout roller shade in the Fabric series.	Curtains Catalog note A motorised splicing track with carriers and hooks that slides curtain panels along it.
Features
Automations	Yes	Yes
Group Control	Yes Catalog note Up to 15 shades on one remote, individually or in groups.	Not recorded
History Records	No	Not recorded
Light Sensor	No	No
Remote Control Included	Yes	Yes Catalog note An RF remote with open, stop and close is included; it uses a CR2032 battery and mounts magnetically.
Scheduling	Yes	Yes Catalog note Opening and closing schedules for morning, evening or daily automation scenes.
Sunrise Sunset Scheduling	Not recorded	Not recorded
Installation
Custom Sizing	Yes	No Catalog note The splicing track is sold in set lengths from 2m to 8m, not built to the exact width of one window.
Max Covering Weight	Not applicable / unspecified	50kg Catalog note Zemismart rates the motor for a maximum load of 50 kg.
Max Covering Width	109 in Catalog note Graywind builds this shade from 20 to 109 inches wide and 21 to 110 inches high.	8m
Retrofit Kit	No	No Catalog note It is a complete motorised track kit, not a motor that clips onto the rail you already have.
Tool Free Installation	No	No Catalog note The track and its brackets are screwed to the wall or ceiling, so mounting needs tools.
Integrations
Alexa	Yes	Yes Catalog note Commissioned into Alexa over Matter with a Thread border router such as an Echo 4th Gen or Echo Hub.
Apple Home	Yes	Yes Catalog note Via Matter, with a HomePod or Apple TV 4K acting as the Thread border router.
Google Home	Yes	Yes Catalog note Commissioned into Google Home over Matter with a Thread border router (Nest Hub, eero 6 and similar).
Home Assistant	Not recorded	Yes Catalog note Commissioned into Home Assistant as a Matter device through a Thread border router.
Matter	No Catalog note This motor is Zigbee; Graywind sells Matter support only on its separate Motionblinds range.	Yes Manufacturer source The curtain motor supports Matter over Thread. Zemismart MT03B Matter Thread Curtain Motor manufacturer product page → Source section Product description Model Zemismart MT03B Matter Thread Curtain Motor Region Manufacturer product page; no universal regional compatibility implied Firmware Not specified by this source Checked 2026-10-04 A Matter controller with Thread border-router functionality is required. Track layout and curtain load must match installation requirements. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog note Matter over Thread, sold by Zemismart as a Matter-certified device and working across Apple Home, Alexa, Google Home, SmartThings and Home Assistant.
SmartThings	Yes	Yes Catalog note Via Matter, with a SmartThings Hub v3 or Station acting as the Thread border router.
Light Control
Blackout	Yes Catalog note Blocks 100% of sunlight and UV, with a waterproof back layer.	Not applicable / unspecified
Light Filtering	No	Not applicable / unspecified
Thermal Insulation	Yes	Not applicable / unspecified
Motor
Manual Operation	Not recorded	Yes Catalog note A gentle pull on the curtain starts the motor and finishes the movement.
Noise Level	Not recorded	Not recorded
Position Control	Yes Catalog note Percentage positions from the app and by voice.	Yes
Tilt Control	No	No
Power
Battery Life	6 months	3 months
Battery Type	Lithium-ion	Lithium-ion 6400mAh
Rechargeable Battery	Yes	Yes Catalog note The built-in 6400mAh battery recharges over USB-C (DC 5V 1A).
Solar Charging	Sold separately	Sold separately Catalog note An optional solar panel keeps the battery topped up; it is not included with the kit.
Wired	No	No

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