120 dB Door Plug Security Supplies Anti-theft Burglar Alarm Durable Door Block Blocking

Label:Yes Perating Sound Rating: 120 dB Name: Door Stop Alarm Color: as shown in the pictures Three sensitivity: High, Medium, Low Dimensions (mm): 14*4.5*4cm(5.51*1.77*1.57in) Material: Stainless steel cover, ABS Working modes: Vibration sensor Powered: 1*9V Battery (not supplied)

If the door is installed very high and far from the ground,please put a soft thing under the door stopper. 120 dB loud belongs to "Unbearable Noise" and really loud. Easily can wake the homeowner up, notifies neighbors and scare the intruder away. Please do turn on the power button after set the battery well, then put the door stopper under the door. good for carrying when you are travelling or need spend a night at strange environment. Sensitivity Levers: Low - Medium - High,with an adjustable sensitivity switch on the side;H level is the most sensitive level that vibration will trigger an alarm;please note when the alarm sound gradually becomes smaller,it means to replace the new battery.

Package included: 1 x Door Stop Alarm