Fire Siren,fire sounder,electronic siren Power: 12Vdc Operating voltage: 9~15Vdc Strobe Color: Blue/Red/Orange Material: ABS Fire Siren,fire sounder,electronic sirenPower: 12VdcOperating voltage: 9~15VdcCurrent: 250mA (one drive unit)550 (two drive unit)Sound: 108dB (one drive unit)112dB (two drive unit)Strobe Freq.: 60/minuteStrobe Color: Blue/Red/OrangeMaterial: ABS