Highlights: Dusk to dawn. Screw-in. Turns lights on at dusk, off at dawn. Fits fixtures with Nema 3-prong receptacles. Fits fixtures receptacles twist lock. Highlights: Works with Incandescent, CFL and LED Bulbs. Time delay to eliminate flickering. Weather resisitant. Polycarbonate (PC) plastic. Specifications: 120VAC,60Hz. 8.3A 1000W Max Tungsten. 15A 1800VA Max Ballast. Operates Mercury Vapor and Sodium Fixtures. LED compatible. Screw-in. Dusk to dawn. Outdoor. Contains: LC120BC. UL listed. www.amertac.com. Made in China.