The 2000-2 Photocontrol is great for flood lamp, patio lamp and decorative lighting from dusk-to-dawn. Our photocell resists effects of moisture and airborne contaminants by responding to the light spectrum near to that of a human eye. It has a delay up to 2 minutes to prevent false switching due to light from passing vehicles, lightning, etc. This photocontrol meets ANSI/UL773A ratings. All Lexan enclosures are impact and vandal resistant. Translucent Lexan Dome prolongs cell life by further screening out ultraviolet rays. Dome and base are ultrasonically welded for maximum strength. This 2000-21 photocontrol has energy savings as it works with screw base CFLs. To Turn ON is 1 to 5fc and Turn OFF is 3 to 15fc, without the slide in position. The ON/OFF adjustment is easily made by moving a slide cover with No tools required. The contacts remain closed between dusk and dawn and the unit fails in the ON position. TORK 2000-2 features 3 color coded, minimum 6 in. wire leads, #16AWG, rated for 105??C with an average under 1-Watt of power consumption.