Wireless 433MHZ Magnetic Door/Window Sensor
$ 10.44
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Real Time Monitor: When you leave home, it will push notification message to you when the door/window opens or closes, so you can open the APP “Smart Life or Tuya Smart” to check in timeUltra-Long Standby Time: Built in batteries(AAA battery, battery not included), of which standby time last for 1 years
