This Motion Sensor is Ideal guardian against the unwanted intruder whether you are in or out, keep yourself and your property safe and security.Suitable Battery; 2AAA
[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 into. A protector around you. Can be used in home and travel.
[Easy to Use]: NO installation required, Simply place the alarm behind any door (home, hotel, etc). very convenient to take with you when travel or stay indoor alone. A really must have around you.
Ideal for house, garage, warehouse, camping, caravan, truck, office space, apartment etc.