Power:100W;150W,200W,300W,400W for your option Voltage:DC11V-14V Single Current:<=8A Working Temperature:-40C-75C wireless remote control ESAS-828:Output Voltage:29VOutput impedance:8ΩSound Available:Wail-1,Wail-2,Wail-3,Horm-1,Horm-2,Siren,Co-co,Lamp1,Lamp2,Phasr,Wail-2(6),Mic. Sirens & Speakers