American Tack, Hemco SW103C Outdoor Swivel Photo Control

.Never come home to a dark house again with this light control that offers a measure of security, safety and convenience by automatically turning your light on at dusk and off at dawn. It requires no seasonal adjustments as with timers and save you money by operating your light only when needed at night. The swivel design allows you to position the light and the time delay feature eliminates flickering.
.On at Dusk, Off at Dawn, for Incandescent, Fluorescent, Mercury Vapor and Sodium Bulbs
.Swivels to allow for precise positioning
.Wires directly into box with standard 1/2" pipe thread
.Built-in Time Delay and Weather Resistant
.120 Volts, 60 cycle AC and 1800 Watts (tungsten load), 15.0 Amp and Radio Frequency Interference Suppressed