Upgraded Door Stop Security Alarm with 120DB Siren Door Stop for Home & Travel (2) Portable 120DB Entrance Alert Door Stop Alarm for Travel Home Apartment House（2pcs)
Brand: SHIZHE

Door Stopper Alarm Alarm volume: 120 DB Voltage: 9V (powered by 9V battery) Material: stainless steel + plastic + high damping rubber Note: The following two conditions may cause the product to not work properly. 1. The gap between the bottom of the door and the ground is less than 0.5cm or greater than 3.5cm; 2, the ground is very smooth material such as marble.

Sensitivity Level: Low-Medium-High.In The High Sensitivity State, The Door Stopper That Feels The Vibration Will Immediately Alarm And Help To Find The Earthquake And Intruder
Dual Function: Door Alarm And Door Stop. The High-Damping Rubber Bearing Prevents The Door From Opening To a Certain Extent And Plays a Protective Role.
Loud Alarm：120 Db Siren Helps To Wake/Remind The Homeowner, Deter The Bad Guys, And Notify Nearby People.
Easy To Use.No Need To Install. The Door Stop Alarm Requires Only a 9V Battery,Without Wiring.
Light-Weight: Travel Essential,Apartment Essentials Under 25. Small Size, Light Weight, Only Per 110g.