Sensor - conformal-coated cadmium sulphide photocell resists effects of moisture and airborne contaminants, photocell responds to the light spectrum near to that of a human eye Delay of up to 2 min to prevent false switching due to light from passing vehicles, lightning, etc Control housing is weather-resistant molded Lexan® with ultrasonically welded seams Turn ON is 1 to 5 fc, turn Off is 3 to 15 fc Minimum 9 in wire leads, 16 AWG, rated for 105 deg C