Shelly BLU Door/Window ZB Smart Sensor with Zigbee & Bluetooth Connectivity
The Shelly BLU Door/Window ZB is an ultra-compact, dual-protocol smart door and window sensor that delivers instant open/close detection, tilt angle measurement, and ambient light sensing. Supporting both Zigbee 3.0 and Bluetooth 5 LE simultaneously, this versatile sensor integrates seamlessly with Home Assistant, Alexa, Google Home, and other leading smart home platforms. Perfect for home security, energy automation, and intelligent lighting control, the Shelly BLU Door/Window ZB transforms any door, window, or cabinet into a connected device with up to 5 years of battery life on a single CR2032 battery.
Key Features
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Dual Wireless Connectivity: Simultaneous Zigbee 3.0 and Bluetooth 5 LE operation for maximum compatibility and flexibility
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Open/Close Detection: Fast reed switch response detects door and window state changes instantly
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Tilt Angle Measurement: Ideal for tilt-and-turn windows, detecting vent positions beyond simple open/close
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Built-in Light Sensor: Measures ambient illumination to trigger light-based automations and energy-saving scenarios
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Long Battery Life: Up to 5 years on a single 3V CR2032 battery (included)
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Encrypted Communication: AES encryption (CCM mode) ensures secure wireless data transmission
Enhance Your Home Security
Always stay informed about your property. Simply place the Shelly BLU Door/Window ZB on your front door, windows, balcony doors, or garage to receive instant notifications whenever they're opened while you're away. Integrate it into your smart security system to trigger alarms, activate cameras, or turn on lights automatically when unexpected activity is detected. The ultra-fast response time ensures you're alerted within milliseconds of any door or window movement.
Smart Energy Automation
Reduce energy waste effortlessly with intelligent automations. When a window is opened, the sensor can automatically turn off heating or air conditioning to prevent energy loss. When a door closes, lights can dim or shut off in unoccupied rooms. The built-in light sensor enables even smarter scenarios, such as turning on hallway lights only when the front door opens in low-light conditions.
Wireless Connectivity & Compatibility
The Shelly BLU Door/Window ZB supports dual-protocol operation, working with both Zigbee 3.0 hubs (like Home Assistant, Hubitat, SmartThings) and Bluetooth gateways (Shelly Plus, Pro, Gen3, Gen4 devices, or the dedicated Shelly BLU Gateway). It also supports BTHome protocol for direct Bluetooth integration with compatible smart home platforms, giving you multiple options for seamless connectivity.
Ultra-Compact & Easy Installation
Measuring just 35 × 35 × 7 mm (sensor) with a lightweight design at approximately 10 grams, the Shelly BLU Door/Window ZB blends discreetly into any environment. Installation is simple: mount the sensor and included magnet on your door or window frame using the adhesive backing, align them with a small gap, and pair with your smart home system. No wiring, no tools required.
Advanced Automation Scenarios
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Welcome Home: Automatically turn on hallway or porch lights when the front door opens
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Security Alerts: Receive instant push notifications if doors or windows are opened while you're away
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Climate Control: Pause heating/cooling when windows are opened to save energy
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Tilt-and-Turn Windows: Monitor ventilation positions and adjust HVAC accordingly
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Light-Based Triggers: Activate outdoor lights only when doors open in low-light conditions
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Scene Integration: Trigger complex multi-device scenes with a single door or window event
Technical Highlights
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Operating Temperature: -20°C to +40°C for reliable year-round performance
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Wireless Range: Up to 10 m indoors, 30 m outdoors (depending on building materials)
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Encrypted Mode: Optional AES encryption for secure communication
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Beacon Mode: Periodic broadcasting of status for continuous monitoring
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Response Time: Less than 100 ms average response for instant detection
What's in the Box
- 1 × Shelly BLU Door/Window ZB Sensor (White)
- 1 × Magnetic Contact (35 × 12 × 7 mm)
- 1 × CR2032 3V Battery (pre-installed)
- Adhesive Mounting Pads
- Quick Start Guide
Full Specifications
| Model |
SBDW-103C |
| Device Type |
Door/Window Sensor with Tilt & Illuminance Measurement |
| Wireless Protocols |
Zigbee 3.0 (802.15.4), Bluetooth 5 LE |
| Frequency Bands |
2400-2483.5 MHz (Bluetooth), 2405-2480 MHz (Zigbee) |
| Max RF Power |
< 4 dBm |
| Wireless Range |
Up to 10 m indoors / 30 m outdoors |
| Encryption |
AES (CCM mode) |
| BTHome Support |
Yes |
| Reed Switch |
Yes (for open/close detection) |
| Accelerometer |
MSA311 (for tilt angle measurement) |
| Light Sensor |
Yes (ambient illumination measurement) |
| Button |
1 (for pairing and reset) |
| LED Indicator |
Red LED |
| Battery Type |
CR2032 3V (included) |
| Battery Life |
Up to 5 years |
| Operating Temperature |
-20°C to +40°C |
| Dimensions (Sensor) |
35 × 35 × 7 mm (±0.5 mm) |
| Dimensions (Magnet) |
35 × 12 × 7 mm (±0.5 mm) |
| Weight |
Approx. 10 g (with battery) |
| Colour |
White |
| Compatible Platforms |
Home Assistant, Alexa, Google Home, Homey, Hubitat, SmartThings, ioBroker |
| Gateway Required |
Zigbee hub/coordinator OR Shelly Plus/Pro/Gen3/Gen4/BLU Gateway for Bluetooth |
Specifications are sourced from the manufacturer product page and may be updated.
