Shelly BLU Door/Window Bluetooth Operated Sensor Detects Reports Opening Closing Doors/Windows Measures Tilt Angle Luminosity
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Specifications
- Brand Name
- Shelly
- Communication method
- Bluetooth-Compatible, Wi-fi
- High-concerned chemical
- None
- Origin
- Mainland China
- Specification
- EU Plug
- Compatibility
- others
- State of Assembly
- Ready-to-Go
- Camera Equipped
- No
- Certification
- CE, RoHS
- Model Number
- Shelly BLU Door/Window
- Power supply
- 1x3 V CR2032 battery (included)
- Radio protocol
- Bluetooth
- Operational range
- Up to 10 m indoors/up to 30 m outdoors (depends on local condition)
- Encryption
- AES encryption (CCM mode)
- RF band
- 2400-2483,5 MHz
- Max. RF power
- < 4 dBm
- Dimensions
- 35x35x7mm / 1.38x1.38x0.27 in (sensor unit), 35x12x7mm / 1.44x0.47x0.27 in (magnet)
- Beacon function
- Yes
- Battery life
- 5 years
- Working temperature
- -20°C to 40°C
- Humidity
- Humidity
Product Description
Pros & Cons
Pros
- Long 5-year battery life with CR2032
- Compact size for discreet installation
- Multi-function: open/close, tilt, luminosity detection
- Secure Bluetooth with encryption
Cons
- Bluetooth only, no Wi-Fi native
- Range depends on environment
- Battery not rechargeable
- No camera or advanced integrations specified
Common Questions
What power source does the Shelly BLU Door/Window Sensor use?
Powered by 1x CR2032 battery (included), lasts up to 5 years.
What are the dimensions of this Bluetooth sensor?
Sensor unit: 35x35x7mm; magnet: 35x12x7mm.
Is it compatible with smart home systems via Bluetooth?
Bluetooth protocol, up to 10m indoors/30m outdoors; AES encryption.
How does it detect door/window openings?
Detects opening/closing, tilt angle, and luminosity; reports via app.
What is the working temperature and shipping origin?
Works -20°C to 40°C; ships from Mainland China, CE/RoHS certified.
Product information last updated on December 21, 2025