Outdoor Protection Cover of Motorized Camera generally use aluminum, coated steel, stainless steel or plastic that can be used in outdoor environments. Manufacturing materials must be able to withstand the exposure of ultraviolet light, or soon return to crack, fade, reduce the strength of the aging phenomenon. Stainless steel shrouds should be used in environments where the hood is durable, highly safe and resistant to man-made damage. The properly treated aluminum shield is also an excellent shroud. There are three types of treatment: polyurethane paint, anodized , Anodized and painted. In the presence of corrosive gases should not choose aluminum or steel mutual aid; in the salt spray environment should be made of stainless steel or special plastic shield.