Remote MonitoringThe door sensor can remotely monitor the opening or closing status of doors and windows in real time by connecting with Tuya APP. It is a door lock that guarantees kids safety and home security. Wireless InstallationThe door window alarm comes with strong adhesive tape, which is easy to install. The installation distance between the magnet of the alarm system and the host should not exceed 8mm.Please read the manual carefully before use Burglar Alarm PerformanceWi-Fi protocol can be added to Tuya's smart security system. The standby current is less than 10A, the battery life is long, and the power level is displayed in the app in real time. High sensitivity, short response time and simple installation. Smart Configuration ModeAfter the alarm sensors is powered on, the LED flashes for 3 times (initialization).Then open the Tuya app, successively click button in the upper right corner of the home page Sensors Contact Sensor (Wi-Fi) enter Wi-Fi password and then confirm indicator rapidly blinkclick Confirm, then wait for the networking to succeed. SizeMainframe:3.54"*1.34", Magnet:2.30"*0.27.