Dayton lighting photo controls are installed in indoor and outdoor facilities to set light settings from dusk to dawn by automatically turning the light on and off, respectively. These units are ideal for parking lots, billboards, security, municipal, roadway and street lighting and help in saving energy. They come with a built-in delay that prevents false cycling and have die-cast polycarbonate housing for excellent impact and abrasion resistance. They include a lock nut and washer gasket for seal proof installation and have raintight enclosures to withstand all type of weather conditions. Choose from an array of these lighting photo controls, available in lengths ranging from 2.375 to 3.375 inches.