Mbangde Wedge Door Stop Alarm with 120 dB - Great for Traveling DIY Home Apartment Security Door Stopper Doorstop Safety Tools (Pack of 3)
EXTREMELY LOUD ALARM : 120 dB loud belongs to Unbearable Noise and really loud. Easily can be hear and scare the intruder away if the alarm being triggered.
EASY INSTALL : Just put 9v battery in and switch the button on the back to ON then it can works. The bottoms are made of synthetic rubber for keep the alarm from slipping.
3 SENSITIVITY LEVERS : with an adjustable sensitivity switch on the side easily change the mode.
LIGHT-WEIGHT : Only 100 grams each stopper ( without battery ) good for carrying when you are travelling or need spend a night at strange environment.
MULTI-FUNCTIONAL : It can use as Door stop alarm OR as Door stopper by the ON/OFF switch.