There are 3 different sensitivity levels available for this door stopper alarm, with an adjustable switch located on the side. You can easily adjust the levels to suit your needs - low, medium, and high.
Package Includes: you will get 8 pieces of door stop alarm, each door stopper a 9V battery (not included); Sufficient quantity can meet your various demands, portable and simple way to make you feel more secure when traveling or working alone
Loud Alarm: 120DB loud is classified as 'unbearable noise'; The security door stop is easy to wake up homeowners, alert neighbours and scare off intruders; Be sure to turn on the button after setting up the battery and place the portable security alarm doorstop under the door
Easy to Install: no wiring is required, just put the 9V battery in the door stopper security, and switch the button to 'ON' to work; The bottom is made of quality and flexible rubber to prevent the alarm from slipping
Dual Function: this doorstop alarm wedge has two switches, ON and OFF; When ON switch is turned on, the door stop can be applied as a doorstop alarm, and when triggered, it will keep the intruder out; Turn off the switch, it can be applied as a normal door stop