Batteries: Lithium Metal (2*CR2450, Included)

Compatible Platforms: Aqara, Apple Home, Alexa, Google Home, SmartThings

Detection Distance: 7 Meters

Item Net Weight: 0.075 Pounds / 34g

Operating Humidity: 0 - 95%RH, non-condensing

Operating Temperature: -10°C ~ 55°C (14°F ~ 131°F)

Wireless Protocols: Thread, Bluetooth 5.0

Product Dimensions: 1.30 × 1.30 × 1.64 inch (33.1×33.1×41.6 mm)