... other toxic substances, more energy saving and environmental protection.System Control ModeContrast, brightness , sharpness , color saturation , hue , signal switch ... C~50ºCOperating Humidity10~90%Shell MaterialFull Metal Jacket, Static-Free,Magnetic Reactance,Anti-Strong Current DisturbanceEnvironment StandardsAll the ... RHOS environmental standard. 19 inch high brightness industrial CCTV Monitor