Defiant E96955 Dusk-to-Dawn Automatic Candelabra Light Controller for Incandescent Bulbs (3 Pack) AUTOMATE YOUR LIGHTS: This system detects sunlight, turning on and off according to how much light is in the area. No longer will you need to worry about flipping light switches on and off, saving you time and energy SAVE UP TO $78.84 EVERY YEAR when used with 60W bulbs activated for 12 hours a day for 365 days EASY INSTALLATION: Simply screw into a light socket, face the photo eye towards the sun and away from artificial lighting, and screw your bulb into the system! TECHNICAL SPECS: Max 2.5 Amps, Max 75 Watts, 120V ACT, 50/60 Hz OPTIMIZED FOR INCANDESCENT AND HALOGEN LIGHTING: Not suited for Fluorescent light fixtures