Item Tag: 72mm * 45mm * 14mm

Wireless Wifi Home Window Door Burglar Security Alarm Sensor System Alexa GoogleStill worry about burglars intruding your house? Still being upset when your parents pry your privacy? Still being concerned about the safety of your office? All you need is a window door sensor. Note: This item only support 2.4G wifi, not support 5G wifi.…