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Shelly BLU Door/Window

Tested with Home Assistant
Original price £16.99 - Original price £18.99
Original price
£18.99
£16.99 - £18.99
Current price £18.99
Availability:
in stock, ready to be shipped
Availability:
Low stock
Availability:
in stock, ready to be shipped
Colour: Black

Shelly BLU Door/Window is a Bluetooth-operated door and window sensor designed to detect opening and closing events, while also measuring tilt angle and ambient light (luminosity). Using BLE technology with the BTHome protocol, it enables fast, local automation with long battery life of up to 5 years. Compact and discreet, Shelly BLU Door/Window integrates seamlessly with the Shelly Smart Control app, Home Assistant, and other supported platforms for reliable security and automation scenarios.

Key Features
  • Bluetooth-operated door and window contact sensor
  • Detects opening and closing events
  • Measures tilt angle for advanced status detection
  • Integrated luminosity (light) measurement
  • Uses BTHome protocol for local automatiom
  • Advanced AES encryption for secure communication
  • Long battery life up to 5 years
  • Compact, discreet design for doors and windows
Use Cases

Door and Window Monitoring

Detect when doors or windows are opened or closed and trigger alerts or automations.

Security and Presence Automation

Use open/close events to arm alarms, trigger notifications, or activate security scenes.

Smart Lighting Automation

Combine luminosity and door/window status to control lighting based on natural light and occupancy.

Tilt-Based Detection

Detect tilted windows for ventilation-aware automation and safety alerts.

What’s Included
  • Shelly BLU Door/Window sensor unit
  • Magnet
  • CR2032 3 V battery
Technical Specifications
Power
Power supply: 1 × 3 V CR2032 battery (included)

Battery life: Up to 5 years
Connectivity
Radio protocol: Bluetooth

Operational range: Up to 10 m indoors / up to 30 m outdoors (depending on conditions)

RF band: 2400–2483.5 MHz

Max RF power: < 4 dBm
Security
Encryption: AES (CCM mode)
Features
Beacon function: Yes

Tilt angle measurement: Yes

Luminosity measurement: Yes
Environmental
Working temperature: -20°C to +40°C

Humidity: 30% to 70% RH
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