
The Smart Device Compare comparison
Shelly Blu Motion vs Shelly BLU Motion ZB
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Key differences between Shelly Blu Motion and Shelly BLU Motion ZB
A summary of selected recorded differences between these motion sensors. Check the full specification table below for details and conditions.
- Zigbee (connectivity): Shelly Blu Motion — No; Shelly BLU Motion ZB — Zigbee Hub required (Zigbee 3.0 end device (IAS Zone 0x000D, profile 0x104, 802.15.4), so it joins an existing Zigbee coordinator.).
- Alexa (integrations): Shelly Blu Motion — Yes; Shelly BLU Motion ZB — Shelly gateway required (Reaches Amazon Alexa through the Shelly Smart Control account, and the product page states that a compatible Bluetooth or Zigbee gateway is required for automations and app control.).
- Google Home (integrations): Shelly Blu Motion — Yes; Shelly BLU Motion ZB — Shelly gateway required (Reaches Google Home through the Shelly Smart Control account, and the product page states that a compatible Bluetooth or Zigbee gateway is required for automations and app control.).
- Battery Type (power): Shelly Blu Motion — CR2477; Shelly BLU Motion ZB — 1x CR2477.
- 5 of 25 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.


What the catalog tells us
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These counts describe the available data, not a quality score. More features do not automatically make a better device.
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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.
Showing 25 of 25 rows. “Not recorded” does not mean “No”.
Alerts
- Shelly Blu Motion
- Not recorded
- Shelly BLU Motion ZB
- Yes
Catalog note
IAS Zone status bit 3 flags a battery at or below 15 percent, and the battery percentage is also broadcast over BTHome.
- Shelly Blu Motion
- Yes
- Shelly BLU Motion ZB
- Yes
Catalog note
Every motion detection is broadcast as an event over BTHome and sent over Zigbee to the bound devices, and the app can push a notification when movement is detected.
Connectivity
- Shelly Blu Motion
- No
- Shelly BLU Motion ZB
- No
- Shelly Blu Motion
- No
- Shelly BLU Motion ZB
- No
- Shelly Blu Motion
- Yes
Catalog note
Bluetooth LE, requires a Shelly gateway (BLU Gateway or any Shelly Plus/Pro/Gen3 device)
- Shelly BLU Motion ZB
- Yes
Catalog note
Bluetooth 5 (LE) broadcasting in the BTHome format, running simultaneously with Zigbee. Remote control needs a Shelly BLU Gateway or a Shelly Plus, Pro, Gen3 or Gen4 device as the bridge.
- Shelly Blu Motion
- No
- Shelly BLU Motion ZB
- No
- Shelly Blu Motion
- No
- Shelly BLU Motion ZB
- No
- Shelly Blu Motion
- No
- Shelly BLU Motion ZB
- Zigbee Hub required
Catalog note
Zigbee 3.0 end device (IAS Zone 0x000D, profile 0x104, 802.15.4), so it joins an existing Zigbee coordinator.
Features
- Shelly Blu Motion
- 120°
- Shelly BLU Motion ZB
- Not recorded
- Shelly Blu Motion
- Yes
- Shelly BLU Motion ZB
- Yes
Catalog note
Motion and light-level events trigger scenes and automations from the Shelly Smart Control app, and scripting is available through a gateway.
- Shelly Blu Motion
- Not recorded
- Shelly BLU Motion ZB
- Yes
Catalog note
Motion hold time is configurable in seconds (60 by default): while movement continues the timer restarts, and a motion clear event is emitted once it expires.
- Shelly Blu Motion
- Not recorded
- Shelly BLU Motion ZB
- Not recorded
- Shelly Blu Motion
- Yes
Catalog note
Custom detection zones
- Shelly BLU Motion ZB
- Yes
Catalog note
Three PIR sensitivity levels (low, medium, high), adjustable to cut false triggers from pets or distant movement.
- Shelly Blu Motion
- 9 m
- Shelly BLU Motion ZB
- Not recorded
Integrations
- Shelly Blu Motion
- Yes
- Shelly BLU Motion ZB
- Shelly gateway required
Catalog note
Reaches Amazon Alexa through the Shelly Smart Control account, and the product page states that a compatible Bluetooth or Zigbee gateway is required for automations and app control.
- Shelly Blu Motion
- No
- Shelly BLU Motion ZB
- No
Catalog note
The device documentation lists only Bluetooth 5 LE and Zigbee 3.0, with no Matter or HomeKit profile, and Shelly's compatibility page names only Alexa, Google Home and SmartThings.
- Shelly Blu Motion
- Yes
- Shelly BLU Motion ZB
- Shelly gateway required
Catalog note
Reaches Google Home through the Shelly Smart Control account, and the product page states that a compatible Bluetooth or Zigbee gateway is required for automations and app control.
- Shelly Blu Motion
- Yes
- Shelly BLU Motion ZB
- Yes
Catalog note
Zigbee2MQTT supports this exact model (SBMO-103Z), exposing occupancy, battery, battery low, light level, the dark and bright thresholds and motion sensitivity. Over Bluetooth it also broadcasts BTHome, which Home Assistant reads natively.
- Shelly Blu Motion
- No
- Shelly BLU Motion ZB
- No
Catalog note
Not in the CSA certified-product database under Shelly Europe Ltd., and the device documentation lists only Bluetooth 5 LE and Zigbee 3.0.
- Shelly Blu Motion
- Shelly gateway required
Catalog note
Bluetooth-only device: reaches SmartThings through Shelly Cloud once a Shelly Wi-Fi device relays it
- Shelly BLU Motion ZB
- Shelly gateway required
Catalog note
Reaches SmartThings through the Shelly Smart Control account, and the product page states that a compatible Bluetooth or Zigbee gateway is required for automations and app control.
Power
- Shelly Blu Motion
- 5 years
- Shelly BLU Motion ZB
- 5 years
- Shelly Blu Motion
- CR2477
- Shelly BLU Motion ZB
- 1x CR2477
Sensors
- Shelly Blu Motion
- Yes
Catalog note
Integrated LUX sensor
- Shelly BLU Motion ZB
- Yes
Catalog note
Built-in lux sensor reporting three levels (dark, twilight, bright) with configurable thresholds, 50 lx dark and 500 lx bright by default.
- Shelly Blu Motion
- Yes
- Shelly BLU Motion ZB
- Yes
Manufacturer source
The ZB variant detects movement.
Shelly BLU Motion ZB manufacturer product page →- Source section
- Product description
- Model
- Shelly BLU Motion ZB
- Region
- Manufacturer product page; no universal regional compatibility implied
- Firmware
- Not specified by this source
- Checked
This evidence is specific to BLU Motion ZB, not the earlier Bluetooth-only model.
Document check only; not a hands-on test or verification of every regional or firmware variant.
Catalog note
PYD1698 passive infrared (PIR) motion sensor.
- Shelly Blu Motion
- No
- Shelly BLU Motion ZB
- No
Catalog note
The specifications list only a PIR and a light sensor.
| Specification | Shelly Blu Motion | Shelly BLU Motion ZB |
|---|---|---|
| Alerts | ||
| Not recorded | YesCatalog noteIAS Zone status bit 3 flags a battery at or below 15 percent, and the battery percentage is also broadcast over BTHome. | |
| Yes | YesCatalog noteEvery motion detection is broadcast as an event over BTHome and sent over Zigbee to the bound devices, and the app can push a notification when movement is detected. | |
| Connectivity | ||
| No | No | |
| No | No | |
YesCatalog noteBluetooth LE, requires a Shelly gateway (BLU Gateway or any Shelly Plus/Pro/Gen3 device) | YesCatalog noteBluetooth 5 (LE) broadcasting in the BTHome format, running simultaneously with Zigbee. Remote control needs a Shelly BLU Gateway or a Shelly Plus, Pro, Gen3 or Gen4 device as the bridge. | |
| No | No | |
| No | No | |
| No | Zigbee Hub requiredCatalog noteZigbee 3.0 end device (IAS Zone 0x000D, profile 0x104, 802.15.4), so it joins an existing Zigbee coordinator. | |
| Features | ||
| 120° | Not recorded | |
| Yes | YesCatalog noteMotion and light-level events trigger scenes and automations from the Shelly Smart Control app, and scripting is available through a gateway. | |
| Not recorded | YesCatalog noteMotion hold time is configurable in seconds (60 by default): while movement continues the timer restarts, and a motion clear event is emitted once it expires. | |
| Not recorded | Not recorded | |
YesCatalog noteCustom detection zones | YesCatalog noteThree PIR sensitivity levels (low, medium, high), adjustable to cut false triggers from pets or distant movement. | |
| 9 m | Not recorded | |
| Integrations | ||
| Yes | Shelly gateway requiredCatalog noteReaches Amazon Alexa through the Shelly Smart Control account, and the product page states that a compatible Bluetooth or Zigbee gateway is required for automations and app control. | |
| No | NoCatalog noteThe device documentation lists only Bluetooth 5 LE and Zigbee 3.0, with no Matter or HomeKit profile, and Shelly's compatibility page names only Alexa, Google Home and SmartThings. | |
| Yes | Shelly gateway requiredCatalog noteReaches Google Home through the Shelly Smart Control account, and the product page states that a compatible Bluetooth or Zigbee gateway is required for automations and app control. | |
| Yes | YesCatalog noteZigbee2MQTT supports this exact model (SBMO-103Z), exposing occupancy, battery, battery low, light level, the dark and bright thresholds and motion sensitivity. Over Bluetooth it also broadcasts BTHome, which Home Assistant reads natively. | |
| No | NoCatalog noteNot in the CSA certified-product database under Shelly Europe Ltd., and the device documentation lists only Bluetooth 5 LE and Zigbee 3.0. | |
Shelly gateway requiredCatalog noteBluetooth-only device: reaches SmartThings through Shelly Cloud once a Shelly Wi-Fi device relays it | Shelly gateway requiredCatalog noteReaches SmartThings through the Shelly Smart Control account, and the product page states that a compatible Bluetooth or Zigbee gateway is required for automations and app control. | |
| Power | ||
| 5 years | 5 years | |
| CR2477 | 1x CR2477 | |
| Sensors | ||
YesCatalog noteIntegrated LUX sensor | YesCatalog noteBuilt-in lux sensor reporting three levels (dark, twilight, bright) with configurable thresholds, 50 lx dark and 500 lx bright by default. | |
| Yes | YesManufacturer sourceThe ZB variant detects movement. Shelly BLU Motion ZB manufacturer product page →
This evidence is specific to BLU Motion ZB, not the earlier Bluetooth-only model. Document check only; not a hands-on test or verification of every regional or firmware variant. Catalog notePYD1698 passive infrared (PIR) motion sensor. | |
| No | NoCatalog noteThe specifications list only a PIR and a light sensor. | |
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