***** **********Best Quality Guranteed.
*****[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.
*****[3 Level of Sensitivities]: Hige-Midium- Low Sensitivities. Which depends on the distance door touch the door stop alarm.
*****[Loud Alarm]: Very loud shrill that would definitely scare someone away with 120db alarm.
Weight: 4.5 oz.
*****[Powered by 9V Battery]: The door stop alarm powered by 9V battery, One piece can be used for a year under normal circumstances. Very practical.
(Note: Battery not include)*****[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.