Door Stopper

Door Stop Alarm The door stop alarm will sound if the unit is moved or if the door is opened. You can use this alarm too block a door from being opened. If anyone tries to open the door, the alarm will sound. There is also a movement sensor with adjustable sensitivity to activate the door stop alarm if tampered with. Description: 1.Power supply: DC 9V battery 2.Alarm decibel: ≥85db/3m 3.Temperature: -10~+40 4.Humidity: