Defiant 500 Watt 4.2 Amp 120 VAC Capacity 7/16 Inch Mini Button Dusk-To-Dawn Light Controller Photo Controls Wiring System CONVENIENT AUTOMATION: With this fixture installed, you wont need to walk around your entire property switching your lights on every night and every morning, giving you more time to do what you enjoy COMPATIBLE WITH MOST LIGHTING SYSTEMS: Incandescent, CFL, LED, Sodium Vapor, and Metal Halide outdoor lighting systems will work with this wiring setup EASY-TO-FOLLOW DIAGRAM will assist you installing this system, so you dont need to deal with expensive electricians MONEY SAVING: By switching to an automatic light controller, you could potentially save over $70 dollars a year by reducing your homes outdoor lighting output every day SPECS: Fits 7/16 diameter hole. Max 500W Tungsten / 300VA Ballast 120VAC