... long life, no mercury and other toxic substances, more energy saving and environmental protection.System Control ModeContrast ... C~50ºCOperating Humidity10~90%Shell MaterialFull Metal Jacket, Static-Free,Magnetic Reactance,Anti- ... and packing supplementary material conforms to the international RHOS environmental standard. 32Inch all in one pc Monitor screen ,waterproof casing,with good quality and ...