Features:12V 110dB treble speaker,far volume, can be worked with various alarm connection. When someone breaks in illegally, the alarm horn will issue a three alarm to let you know where the accident happened. ABS fire-retardant shell,widely used in alarm host, air leakage alarm, infrared peripheral alarm equipment, etc. Installation options are flexible and convenient.Generally installed in the wall or doorway or balcony and other places, the installation height of 2.5 meters or more. Strong and sturdy, small and light, long service life. Specifications:Product Name: ES-626 sirenRated Voltage: DC 12VRated Current: 350mAVolume: 110 dBColor: BlackMaterial: ABCRated power: 15WSize: 10.2 * 10.6cm/4.0*4.2inPackage Weight: 265g/9.3ozPackage List:1* DC12V Alarm Siren.