Item Type: Door Sensor Material: ABS Purpose: Smart Home, with Other Accessories Can Form Home Security Wiring Power Supply Mode: DC3V CR2032 Battery 240 MA (Battery Included) Working Voltage: DC3V Communication Method: Mesh Working Temperature: -10-55℃ 1、When opening or closing doors and windows (the door sensor is separated or closed from the magnetic stripe), the alarm will send a signal to the APP to prompt that door is opened or closed. 2、Real?time open/close record query, the record of door sensor separated or closed. APP pushes in real time, online query of historical records. And suppport for TUYA. 3、Smart plug (not include) + door sensor + light (not include), push the door open, the smart door sensor linkage wall switch will automatically turn on the light. 4、Door sensor + smart socket (not include)+ air conditioner partner (not include), after opening the window, the door sensor linkage air conditioner partner turns off the air conditioner, and the air purifier (not include) enters the state. 5、Energy?saving, worry?saving and money?saving, low energy consumption, standby for up to 1 year, no need to replace the battery frequently, deliver with a battery. 1 x Door Sensor 1 x Magnetic Stripe 1 x Manual