Sell Door Stopper Alarm, Siren Door Safety Wedge Anti Break-In Door best price

[Dual Function] -- This alarm can be a door stop alarm or a door stopper. Loud 120 decibel alarm sounds when button is pressed.Also can as common door stopper when turn down the ON/OFF switch, its high damping rubber bearing can prevent the door sliding. [120 dB Siren] -- When door pressure is applied, the extremely loud 120 dB alarm helps wake/alert homeowner or renter, helps deter intruder and possibly notifies neighbors (audible up to 1,000 feet/300m away). You can also press the alarm to scare off the intruder when you are in danger. [3 Level of Sensitivities & Easy to Use] -- High/Medium/Low sensitivities can be closed by an adjustable sensitivity switch on the side. No installation required, just put the door stop security Alarm under the door (home, hotel, etc) and turn on the switch. [Premium Quality] -- Stainless steel cover to resist wear and tear. They have been rigorously tested to prove they are safe to use. The door stop alarm powered by 9V battery, One piece can be used for a year under normal circumstances. (Note: Battery not include) [Practical & Portable] -- Small size make it be portable for Travel or business trip. Very convenient to take with you when travel or stay indoor alone. They will fit under any of your doors hanging anywhere from 0.1 to 1.5 inch off the floor. #safety #doorstoper #alarm #antiburlar