Description: Color: Red The alarm produces sound through motor driving the wind screw type siren,so it sounds like a electric drill. Voltage: 12 volt,Power: 30W,Sound Level: 110dB Mounting Bracket Included,Installation: fixed base installation, you can adjust Tuyere up and down Metal Housing Construction Specification: Size:Approx. 75mmx83mm Package Includes: 1 Piece Motor Siren
