Rated Working Voltage: DC13.5V Working Voltage Range: DC10.5V-14.5V Rated Working Current: 18.2A í+0.5A Static Current: í_100mA Rated Output Power: 200Wí+10W Output Impedance: 4ohm Microphone Sound Frequency Range: (300Hz-10KHz)í+3Db Siren Frequency Range: 430Hz-1945Hz Ambient Temperature: -40íp--+70ípC Waterproof Performance: Non-Waterproof Mounting Mode: Mounting inside of Vehicle Having seven siren tones: Wail-1,Wail-2,Hi-Lo,Yelp,Hi-Lo1,Horn,Siren Two-way light control function, 15A per way. Product Advantages: 1.The controller has a beautiful appearance. 2.Adopting communication technology RS232 between controller and main frame which has the advantage of reducing the number of wiring, EMC treatment, Anti-ESDí+10KV,can shield the interference signal from the strobe. 3.Super Anti-EMC function. 4.Noise suppression functionú¿this fuction is owned exclusively by Patlite Siren Seriesú¬ 5.Adopting industrial grade electronic parts which are imported from USA as main parts such as singlechip. 6.Adopting APLS Inches switches which are imported from Japan, with good quality and good feeling of handle. 7.Power connection parts are imported from USA(AMP Brand) .