... frequency≥ 60HZRefresh frequency≥ 480HZInput voltageAC 90~260 voltsOperation temperature-40° C~ +65° COperation humidity10%~90%Input signalS-video, RF, RGB ... proof, antisnow. bear very low and hot temperature(-25ºC--+85ºC)7.Multiform language editions, such as English, French, Germany ... ODM,diverse models, dimension and design of LED display for customer selection,3.Protection of your ideas of design ...