2 Pack Door Stop Alarm, Door Alarm with 120DB Security Siren

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 & Simple Operation]The weight is only 4.7 ounces, so convenient to take with you when travel or stay indoor alone. No installation required, door block alarm, battery-operated (requires 1x9V battery, not included), push the turn on button in the back of the door stop alarm into working status; place it behind any inner pull door.
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)
[3 Sensitivity Levels]High-Medium-Low Sensitivities, door stop with alarm, which can be adjusted according to your own needs. There are high, medium and low levels of adjustment, and the pressure sensitivity can be adjusted according to different situations. High sensitivity is recommended if the space between your door and the floor is less than 0.39 inches. Door stop alarm travel. If your door-to-floor clearance is between 0.39 and 1.38 inches, medium or low sensitivity is recommended.
[Light-Weight & Portable ] : Only 95 grams each portable doorstop alarm wedge ( without battery and package) good for carrying when you are travelling or need spend a night at strange environment. color:Black
Material:plastic
size: 14cm x 4.5cm x 3.8cm Package Contents:
2 x Door Stop Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.