Specification:

Special features:
Smart Status detection
2-in-1 light and opening/closing sensor

Wireless Connectivity:
Bluetooth 5.0 BLE

App:
Mi Home

Battery:
CR2032

Operation Frequency:
2412-2472 MHz

Max. Output Power:
10 dBm

Dimensions:
34.0 x 32.7 x 14.5 mm