This sensor relies on a magnetic contact mechanism to detect open/close states. It is powered by a CR2032 battery, offering up to 5 years of battery life depending on usage. To use it with the Shelly Smart Control App, a gateway is required (such as a Shelly BLU Gateway, or any Shelly Plus, Pro, or Gen3 device).
Key Features
- Open/close detection via magnetic contact.
- Bluetooth connectivity – fast and reliable communication.
- Instant alerts – real‑time notifications when doors/windows are opened.
- Long battery life – up to 5 years with CR2032 battery.
- Compact design – discreet installation with adhesive mounting.
- Integration – works with Shelly BLU Gateway or Shelly Plus/Pro/Gen3 devices.
- Automation ready – trigger lights, alarms, or HVAC systems based on door/window state.
Technical Specifications
- Model: Shelly BLU Door/Window (Black)
- Sensor Type: Magnetic contact (open/close detection)
- Connectivity: Bluetooth Low Energy (BLE)
- Battery: 1 × CR2032 (3V)
- Battery Life: Up to 5 years
- Mounting: Adhesive sticker included
- Dimensions: Compact, slim profile (approx. 25 × 25 × 7 mm per piece)
- Control Options: Shelly Smart Control App (via gateway)
- Compatibility: Works with Shelly BLU Gateway, Shelly Plus, Pro, Gen3 devices
- Weight: ~15 g
- Warranty: 2 years (hardware/firmware)
- Colour: Black housing (sensor + magnet)








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