GE 15451 Indoor Seven-Day SunSmart Polarized Plug-In Digital Timer, White Turns lamps on/off at desired times Sun Smart technology allows you to program ON/OFF based on sunset/sunrise times and then adjusts automatically throughout the year Random security feature randomly varies on/off times within an hour to create a lived in look, all at the push of a button! Polarized Plug-In Perfect for lamp, seasonal, appliance and electronic use