Shelly BLU Door/Window — Bluetooth Door/Window Sensor

Shelly BLU Door/Window — Bluetooth Door and Window SensorThe Shelly BLU Door/Window (model SBDW-002C) is a compact Bluetooth sensor that detects the status of doors and windows (open/closed), measures ambient light, and tilt angle. It operates for up to 5 years on a CR2032 battery. It requires a Shelly device with BLU gateway functionality to connect to the WiFi network.Technical Specifications — Shelly BLU Door/Window Model: SBDW-002C Connectivity: Bluetooth BLE 4.2 RF Band: 2400 – 2483.5 MHz Max RF Power: <4 dBm Bluetooth Range: Up to 10 m indoors / 30 m outdoors Power Supply: 1× CR2032 3V battery (included) Battery Life: Up to 5 years Contact Sensor: Reed contact — door/window open or closed detection Light Sensor: Yes — light intensity measurement Angle Sensor: Yes — tilt detection Operating Temperature: -20°C to +40°C Certifications: CE, RoHS Main Features Instant door or window opening/closing detection with reed contact Integrated ambient light sensor Angle sensor for tilt-and-turn doors and windows Up to 5 years of battery life with 1 CR2032 battery Bluetooth range up to 30 m outdoors AES encryption (CCM mode) for secure communications Compatible with Shelly BLU Gateway (Shelly Gen2/Gen3/Gen4 with BLU gateway function) Home Assistant (via Shelly BLU Gateway) Amazon Alexa (via Shelly BLU Gateway) Google Home (via Shelly BLU Gateway) Use Cases Door and window open/close detection for home security Automations based on light input or window position Open door alerts for prolonged absences Integration with home alarm systems Official Shelly distribution. Shipping from Spain. Official Shelly warranty.