Nobody likes when unauthorized people sneak in and then all the different types of security measures such as alarms and cameras usually leave a smoking hole in your wallet, you need other solutions. With this simple doorstop, make sure that the door becomes a struggle to open while an alarm is triggered when the door hits the door stops. The underside is covered by a square rubber material that keeps the door well in place, especially when the door presses it into the floor.The alarm is powered by a 9V battery and sounds in 120dB which ensures to awaken even the heaviest chimney sweep. You can set the alarm sensitivity in three stages to adjust how hard the door must turn in to trigger the alarm, or turn it off completely to use it as a regular doorstop.With only a few of these, you have acquired an affordable defense against unwanted guests, both at home or at the company.- Affordable options to increase security- Triggeran alarm when the door is opened- Adjustable sensitivity to when the alarm is triggered - The alarm goes off to use it as a regular doorstop- Boxed rubber material keeps the door well in place- Powered by a 9V batteryBr>Note that battery is not includedSpecifications:Decibel: 120 dBBattery: 1x 9VWidth: 4.5 cmBattery: 1x 9V Length : 13.5 cmHeight: 3.5 cmWeight: 90 gMaterial: Plastic / Stainless Steel / Rubber Color: BlackPackaging Contains:1x Alarmed Door stopProducts from Chunchuan's store