Instant setup - choose from 8 programmed light settings Photocell activated - automatically adjusts to lighting conditions No resetting around Daylight Savings or after power outages120 VAC The NiteTime provides automated, timed control of lights and small appliances. The Nite Time plugs into a wall outlet and connects to a standard household lamp or small appliance. the low profile design fits behind furniture and offers a discreet design to fit any room decor. For indoor use only Not recommended for devices over 500 watts or four amps.