... ≥ 60HZRefresh frequency≥ 480HZInput voltageAC 90~260 voltsOperation temperature-40° C~ +65° COperation humidity10%~90%Input signalS-video, RF, RGB ... moisture-proof, antisnow. bear very low and hot temperature(-25ºC--+85ºC)7.Multiform language editions, such as English, French, Germany, ... prepayment, 50-70% T/T balance before delivery.L/C ,Western Union ,Paypal are accessible. payment terms can be ...