Nobody likes unauthorized people sneaking in, and then all the different types of security measures like alarms and cameras often leave a smoking hole in your wallet and you need other solutions. Make sure the door becomes difficult to open with this simple doorstop that triggers an alarm when the door hits the doorstop. The bottom is covered with a square rubber material that holds the door in place well, especially when the door presses it into the floor. The siren is powered by a 9V battery and has a sound of 120dB, ensuring that even the heaviest of chimney sweeps will wake up. You can set the alarm sensitivity in three stages, adjusting how hard the door must open to trigger the alarm, or closing it completely to use it as a regular doorstop. With just a few of these, you get an affordable defense against unwanted guests, whether at home or at work. - Affordable option for increased security - Trigger alarm when door is opened - Adjustable sensitivity when alarm is triggered to use it as a regular door stop - Boxed rubber material keeps door in good condition Location - Powered by 9V batteryBr Please note that the battery is not included Specifications: dB: 120 dB Battery: 1x 9V Width: 4.5 cm Battery: 1x 9VWidth: 4.5 cm Length: 13.5 cm Height: 3.5 cm Weight: 90 g Material: Plastic/Stainless Steel/Rubber Color: Black Package Contains: 1 Alarm Door Stop Delivery Quantity: 1