Communication method:Zigbee Plug Type:EU Plug State of Assembly:Ready-to-Go Gyro:Aqara temperature Scale:1:5 Model Number:WSDCGQ11LM Max Speed:Aqara Temperature Sensor Features:Solar Control Channels:2 Channels Origin:Mainland China Certification:CE Function 1:Aqara temperature Function 2:Aqara Temperature Sensor Function 3:Temperature sensor AQARA Function 4:Zigbee Sensor Function 5:apple homekit Function 6:humidity Sensor Function 7:AQARA Sensor Function 8:Temperature and Humidity Sensor Function 9:Aqara humidity Sensor 1：this is original aqara Smart Air Pressure Temperature For Xiaomi smart home ,Can works with mijia offical APP mi home . 2：This item must match the ZIGBEE gateway to use.( like xiaomi gateway 2 , gateway 3 / aqara HUB etc..) Features: Wireless connection: ZigBee Real-time and historical records Multiple application: can connect to Aqara smart devices or other ZigBee devices Automatically alarmif the temperature, humidity and atmospheric pressure are abnormal Detects the temperature, humidity and atmospheric pressure condition Powered by a CR2032 button cell ( included ) Please download APP "Xiaomi Smart Home" from the Apple Store or Google Play Temperature detection range: -20 - 60 Deg.C ( + / - 0.3 Deg.C ) Humidity detection range: 0 - 100pct RH ( + / - 0.3pct ) Atmospheric pressure detection range: 30 - 110KPa ( + / - 120Pa )