Device profile · Specifications & compatibility

Shelly BLU Door/Window ZB

Shelly · Door & Window Sensors · Model SBDW-103C

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  • Shelly BLU Door/Window ZB lists Low Battery Alerts; Home Assistant; Battery Life: 5 years.
  • Check the alert destination and how disconnected-device status is handled.

Browse more from Shelly or explore all door & window sensors in our catalog.

Recorded year
2026
Recorded warranty
2 years
Weight
10g

The details that shape your choice

Shelly BLU Door/Window ZB Quick Features

Start with these specifications, then check the full details and conditions below.

All specifications →
Tamper Alerts
No
Low Battery Alerts
Yes
Thread
No
Door Window Alerts
Yes
Bluetooth
Yes
Zigbee
Zigbee Hub required

Make the differences clear

Which device fits your setup?

Choose another model to compare features, connections and requirements side by side.

From specification to decision

Shelly BLU Door/Window ZB: Capabilities And Limitations

Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.

What it offers

  • Low-battery alerts are recorded, providing a maintenance notification to verify in the chosen platform. Check the alert destination and how disconnected-device status is handled. IAS Zone status bit 3 flags a battery at or below 15 percent, and the battery percentage is also broadcast over BTHome.

    View Low Battery Alerts details →
  • A Home Assistant integration is listed, providing an integration path to verify for the exact model. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities. Zigbee2MQTT supports this exact model (SBDW-103C), exposing contact, handle position, battery, battery low and light level.

    View Home Assistant details →

What to consider

  • Tamper alerts are recorded as unavailable. The documented IAS Zone status flags are Alarm1, Alarm2 and Battery only, with no tamper bit.

    View Tamper Alerts details →
  • Matter is listed as unsupported; check another documented integration if Matter is essential to your setup. Not in the CSA certified-product database, and the device documentation lists only Bluetooth 5 LE and Zigbee 3.0.

    View Matter details →
  • Apple Home support is listed as unavailable; do not assume the device appears directly in Apple Home. The device documentation lists only Bluetooth (BTHome) and Zigbee, with no Matter or HomeKit profile, and Shelly does not offer an Apple Home path for its BLU sensors.

    View Apple Home details →

About our sources and comparison method →

Questions About Shelly BLU Door/Window ZB

Does Shelly BLU Door/Window ZB report tamper alerts?

No, according to the listed specifications. Check the event that triggers the alert and how the notification reaches the controller. The documented IAS Zone status flags are Alarm1, Alarm2 and Battery only, with no tamper bit.

View Tamper Alerts specifications →

Does Shelly BLU Door/Window ZB report a low battery?

Yes, according to the listed specifications. Check the alert destination and how disconnected-device status is handled. IAS Zone status bit 3 flags a battery at or below 15 percent, and the battery percentage is also broadcast over BTHome.

View Low Battery Alerts specifications →

Does Shelly BLU Door/Window ZB support Thread connectivity?

No, according to the listed specifications. Thread connectivity alone does not establish Matter support or a border-router role. Check those requirements separately.

View Thread specifications →

Does Shelly BLU Door/Window ZB support Matter?

No, according to the listed specifications. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity. Not in the CSA certified-product database, and the device documentation lists only Bluetooth 5 LE and Zigbee 3.0.

View Matter specifications →

Does Shelly BLU Door/Window ZB work with Home Assistant?

Yes, according to the listed specifications. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities. Zigbee2MQTT supports this exact model (SBDW-103C), exposing contact, handle position, battery, battery low and light level.

View Home Assistant specifications →

Explore the full picture

Shelly BLU Door/Window ZB Specifications

Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.

0 of 30 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →

30 of 30 specifications · 6 sections

Alerts5 fields
Alerts specifications
Door Window AlertsYes
Motion AlertsNo
Temperature AlertsNo
Tamper AlertsNo
Details & conditions

The documented IAS Zone status flags are Alarm1, Alarm2 and Battery only, with no tamper bit.

Low Battery AlertsYes
Details & conditions

IAS Zone status bit 3 flags a battery at or below 15 percent, and the battery percentage is also broadcast over BTHome.

Connectivity7 fields
Connectivity specifications
2.4 GHz Wi-FiNo
5 GHz Wi-FiNo
BluetoothYes
Details & conditions

Bluetooth 5 (LE), broadcasting in the BTHome format, with simultaneous Zigbee + Bluetooth operation.

Z WaveNo
ZigbeeZigbee Hub required
Details & conditions

Zigbee 3.0 end device (IAS Zone, profile 0x104), so it joins an existing Zigbee coordinator.

ThreadNo
OtherNo
Features5 fields
Features specifications
Minimum Detection Distance10mm
SensitivityYes
Details & conditions

Report angle threshold is configurable from 0 to 90 degrees (1 degree by default) and sets the minimum tilt needed to trigger a report; the light sensor adds configurable dark and bright thresholds.

AutomationsYes
Details & conditions

Open and close events trigger scenes and automations, either directly with other Shelly devices or through the Shelly Smart Control app.

History RecordsNot recorded
OtaYes
Details & conditions

Firmware is updated over the air from the Shelly Smart Control app once the device is registered in the account, or from the Shelly BLE Debug app.

Integrations6 fields
Integrations specifications
Google HomeShelly gateway required
Details & conditions

Reaches Google Home through the Shelly Smart Control account, and the product page states a gateway is necessary to use this device with that app (Shelly BLU Gateway, or any Shelly Plus, Pro, Gen3 or Gen4 device other than a sensor).

AlexaShelly gateway required
Details & conditions

Reaches Amazon Alexa through the Shelly Smart Control account, and the product page states a gateway is necessary to use this device with that app (Shelly BLU Gateway, or any Shelly Plus, Pro, Gen3 or Gen4 device other than a sensor).

Apple HomeNo
Details & conditions

The device documentation lists only Bluetooth (BTHome) and Zigbee, with no Matter or HomeKit profile, and Shelly does not offer an Apple Home path for its BLU sensors.

SmartThingsShelly gateway required
Details & conditions

Reaches SmartThings through the Shelly Smart Control account, and the product page states a gateway is necessary to use this device with that app (Shelly BLU Gateway, or any Shelly Plus, Pro, Gen3 or Gen4 device other than a sensor).

Home AssistantYes
Details & conditions

Zigbee2MQTT supports this exact model (SBDW-103C), exposing contact, handle position, battery, battery low and light level.

MatterNo
Details & conditions

Not in the CSA certified-product database, and the device documentation lists only Bluetooth 5 LE and Zigbee 3.0.

Power2 fields
Power specifications
Battery Type1x CR2032
Battery Life5 years
Sensors5 fields
Sensors specifications
Door WindowYes
Details & conditions

Reed switch, reported over Zigbee as IAS Zone type 0x0016 (Door/Window Handle), which also distinguishes tilted from fully open.

LightYes
Details & conditions

Built-in light sensor reporting illumination, with configurable dark and bright thresholds.

MotionNo
Details & conditions

The MSA311 accelerometer measures the tilt angle of the door or window, not movement in the room.

OccupancyNo
TemperatureNo

How this device compares

Shelly BLU Door/Window ZB vs Other Similar Models

Statistical context from 28 door & window sensors in this catalog. These figures describe our recorded data, not independent measurements.

Recorded feature coverage

Light: 3 of 28 known answers are Yes

Sensors: 11% among explicit Yes/No answers; 0 of 28 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Home Assistant: 25 of 26 known answers are Yes

Integrations: 96% among explicit Yes/No answers; 2 of 28 devices have no resolved answer. Check the specifications for this model’s conditions.

Recorded feature coverage

Door Window: 28 of 28 known answers are Yes

Sensors: 100% among explicit Yes/No answers; 0 of 28 devices have no resolved answer. Check the specifications for this model’s conditions.

Brand representation in this directory

1 of 28 models are from Shelly

Counts door & window sensors listed here, not sales or market share. Catalog inclusion does not imply a recommendation.

What Should You Verify Before Buying Shelly BLU Door/Window ZB?

These checks describe door & window sensors requirements. Confirm each one against the exact model’s current manufacturer documentation and your installation.

  1. Measure the gap and mounting space on the frame.
  2. Check battery type and low-battery reporting.
  3. Verify which hub or alarm system accepts the sensor.
  4. Test the automation behavior for open, closed and offline states.

Side-by-side specification comparison

Compare Shelly BLU Door/Window ZB vs Similar Door & Window Sensors

See how Shelly BLU Door/Window ZB stacks up against other door & window sensors in this catalog. Compare specifications, compatibility and pricing.

Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.