Rated working voltage: dc12v Working voltage range: dc10.8v-13.8v Rated working current: 16.6aía0.8a Static current: ín100ma Standby current: ín5ma Rated output power: 200wía10w Output impedance: 4ohm Output voltage range: 24.5vrmsía0.6vrms Siren frequency range: 350hz-1550hz Sound frequency range: (300hz-10khz) ía 3db Output frequency distortion degree: ín10%(at 1000hz) Ambient temperature: -40íp--+55ípc Mounting mode: featuring of detached structure, mounting inside of vehicle. Siren: wail1, wail2, yelp, hi-lo, hi-lo1, horn, siren Four-way light control function, 15a per way. Product advantages: 1ú«the controller has a beautiful appearance. 2ú«adopting communication technology rs232 between controller and main frame which has the advantage of reducing the number of wiring, emc treatment, anti-esdía10kv, can shield the interference signal from the strobe. 3ú«super anti-emc function. 4ú«noise suppression functionú¿this fuction is owned exclusively by patlite siren seriesú¬ 5ú«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. 7ú«power connection parts are imported from usa(amp brand) .