[Dual Function]: Can be used as a door stop alarm and door stopper, Its high damping rubber bearing can prevent the door sliding and prevent bad guys from entering.
[3 Level of Sensitivities]: High-Medium-Low sensitivities. Which depends on the distance the door touches the door stop alarm.
[Loud Alarm]: A very loud shrill that would definitely scare someone away with a 120db alarm. Weight: 4.5 oz.
[Powered by 9V Battery]: Powered by a 9V battery, one piece can be used for a year under normal circumstances. (Note: Battery not included)
[Easy to Use]: NO installation required, Simply place the alarm behind any door (home, hotel, etc).
