• Type: Door and Fixed Sensor • Transmission technology: Wireless • Interface: Bluetooth • Radio frequency: 2402 - 2480 MHz • Suitable for: Door/Window • Product color: White • Installation type: Adhesive tape • Easy to use: Yes • Operating temperature: -10 - 50 °C • Relative humidity in operation: 0 - 95% • Mobile app support: Yes • Dimensions (WxDxH): 22x77x22mm • Compatible: Aqara Home, Apple Home, Samsung SmartThings, Alexa, Google Home, Matter