Woods, Blue, Heavy Duty, Outdoor, Twist To Lock Photo Control, Turns Light On At Dusk, Off At Dawn, Locking Type Plug Configuration, Works With Incandescent, Fluorescent, LED, Halogen, Mercury Vapor Or High Pressure Sodium Bulbs, Compact Fluorescent Light Compatible, Ratings: 110-277V, 60 Hertz, 1000W Tungsten, 1800-VA Ballast.