FeaturesAll Lexan® enclosures are impact and vandal resistantTranslucent Lexan® dome prolongs cell life by further screening out ultraviolet raysDome and base are ultrasonically welded for maximum strengthDelay of up to 2 min to prevent false switching due to light from passing vehicles, lightningConformal coated cadmium sulphide photocell resists effects of moisture and airborne contaminantsPhotocell responds to the light spectrum near to that of a human eyeUnder 1 W power consumption