Door Stopper Alarm

[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 the bad guys from coming into.
[3 Level of Sensitivities]: Hige-Midium- Low Sensitivities.
[Loud Alarm]: Very loud shrill that would definitely scare someone away. 9V Battery]: Simply place the alarm behind any door (home, hotel, etc).