This is Home and Office Wired High-decibel Anti-Cut Alarm. It made of high quality and durable material￡? good choice for you!                                    Features                New and high quality<br>    Made of high quality and durable material<br>    Lock switch point to red spot is the general alarm￡? the green one is he anti-cut alarm<br>    Standard Voltage: 12V DC<br>    Operating Current: 360mA<br>    Sound Pressure Index: 110dB / 300mm<br>                                                                                                Package Includes                1 x Home and Office Wired High-decibel Anti-Cut Alarm<br>