Shelly BLU Door/Window ZB Black

This Bluetooth + Zigbee-based Shelly door and window sensor works seamlessly with Shelly Plus devices that support Bluetooth or Zigbee. Installation of the Shelly BLU Door/Window Sensor is easy, and with the included battery you can get started quickly.
Features

• Provides Bluetooth + Zigbee connectivity
• Encrypted communication
• Instant response
• Extremely low battery consumption (coin cell battery)
• Operating temperature: -20°C to 40°C; Humidity: 30% to 70% RH
• Power supply: 1x 3 V CR2032 battery (included)
• Battery life: Up to 5 years
• Radio protocol: Bluetooth + Zigbee
• RF band: 2400 – 2483.5 MHz
• Max. RF power: < 4 dBm
• Beacon function: Yes
• Encryption: AES encryption (CCM mode)
• Operating range (depending on local conditions): Up to 30 m outdoors, up to 10 m indoors.