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Device name: Shelly BLU Door/Window ZB
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Device model: SBDW-103C
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Device Bluetooth ID: 0x0014
Shelly BLU Door/Window ZB (the Device) is a Bluetooth sensor designed to detect the opening and closing of a door or a window. It can also measure the tilt angle of a turn-and-tilt door or window. In addition, it features a light sensor.
Main features
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Zigbee 3.0 and Bluetooth 5 LE connectivity, with support for simultaneous Zigbee + Bluetooth operation
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Supports BTHome for compatible Bluetooth-based automations and integrations
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Long battery life for low-maintenance operation
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Door/window inclination angle measurement for detecting tilt/vent positions, not just open/close
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Illumination measurement to trigger automations based on ambient light levels
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Encrypted mode for protected communication
Main applications
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Residential: single-family homes, apartments, condominiums
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Light commercial: small office buildings, retail stores, restaurants, gas stations
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Government / municipal: public buildings and facilities
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Educational institutions: universities and colleges
Connectivity
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Bluetooth
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Zigbee
Modes of operation
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Regular mode: The Device broadcasts the current open or closed state, illuminance, and battery status each time the open/closed state changes (door/window opened or closed). If a tilt-and-turn door or window is opened, the Device immediately broadcasts information about the event, the illumination, and the battery status at the time of detection. Two seconds later, it broadcasts tilt angle, illumination, and battery status. Every 8 seconds, the Device checks the tilt angle. If a change is detected, the Device broadcasts the updated angle.
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Beacon mode: The Device broadcasts the current open and closed state, illuminance, and battery status every 30 seconds. You can enable Beacon mode in the settings in the Shelly Smart Control settings. For more details, visit the Shelly Smart Control guide.
The battery life may be significantly reduced when the Device is in Beacon mode.
User interfaces
One push button
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Press 4 times quickly to put Shelly BLU Door/Window ZB into pairing mode. The LED flashes once every 2 seconds for 1 minute.
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Press 5 times quickly to activate Zigbee pairing. The LED flashes twice every two seconds for 1 minute.
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Press and hold for 30 sec to factory reset.
Specifications
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Type |
Value |
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Physical |
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Size (HxWxD): |
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Weight: |
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Shell material: |
Plastic |
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Color: |
White, black, brown |
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Environmental |
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Ambient temperature: |
-20 °C to 40 °C / -5 °F to 105 °F |
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Humidity: |
30 % to 70 % RH |
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Electrical |
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Power supply: |
1x 3 V CR2032 battery (included) |
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Battery life: |
5 years |
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Sensors |
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Reed switch |
Yes |
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G-sensor |
Yes |
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Light sensor |
Yes |
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Radio |
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RF band: |
2402 - 2480 MHz |
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Max. RF power: |
<8 dBm |
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Bluetooth Protocol: |
5 (LE) |
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Bluetooth Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
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Zigbee |
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Protocol: |
802.15.4 |
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RF band: |
2405 to 2480 MHz |
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Max. RF power: |
< 8 dBm |
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Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
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MCU |
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CPU: |
EFR32MG27 |
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Flash: |
768 kB |
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Firmware capabilities |
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Schedules: |
No |
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Webhooks (URL actions): |
No |
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Scripting: |
No |
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MQTT: |
No |
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Encryption: |
Yes |
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Other |
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Supported Devices |
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Components and APIs
Compliance
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Shelly BLU Door_Window ZB multilingual EU declaration of conformity 288 2026-04-23.pdf
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Shelly BLU Door_Window ZB UK PSTI ACT statement of compliance 288 2026-04-23.pdf
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Shelly BLU Door_Window ZB UKCA declaration of conformity 288 2026-04-23.pdf
Battery material safety data sheet
Printed user guide
Installation guides