Want to buff up your home security? Just place this Door Stop Alarm under your door! It will prevent break-ins with a very high-pitched siren sound at 100dB. You can sleep with a peace of mind knowing that you and your belongings are safe. Keep out thieves with this effective yet affordable gadget! Main Features: * Wedge-shape, fits under any hinged door * Prevents intrusions by stopping the door * Emits a very loud high-pitched siren of 100dB when someone attempts to break in * Can easily wake you up, alert neighbors, and scare away burglars * Durable, withstands pressure, long service life * Compact and lightweight, easy to pack for traveling * Made from Stainless Steel and ABS Plastic * Available in Black * Suitable for houses, apartments, offices, hotel rooms, etc. How to Use: * Insert 3 x AAA batteries * Turn it on * Wedge it under the door * Turn it off and it'll work like a normal doorstop Specification: * Size:6.3x1.8x1.6in / 16x4.5x4cm (lwh) * Weight:3.4oz / 97g