Can be used as a door stop alarm and door stopper, it's silicone material can grip onto any surface to prevent the door from sliding and prevent people from getting in.
How to use:
-Use to use:No installation required, simply place the alarm behind any inner door (home/hotel etc) very convenient to take with you when travelling or at home alone.
-Turn the door stopper on and wait 5 seconds it will beep and go into working sensor state. When pressure is applied to the alarm it will trigger the alarm in 120dB sound.