Woods 50029 Indoor 7-Day Astronomical Timer with Sun Tracking Technology, 2 Grounded Outlets. The Woods brand of timers with sun tracking technology can automatically turn lights on at sunset and off at sunrise. The sunrise and sunset program automatically adjusts throughout the year, so as the days get shorter the timer turns the lights on earlier. Or customize programming options turn lights on/off at sunset, sunrise or anytime of your choosing. For example, program the table lamp to turn on at sunset and off at 11:00 each giving your home that lived in look while your away. These sun tracking technology timers are part of the Tru Living Collection of timers that compliment any decor with warm neutrals which bring sophistication and style while maximizing convenience, safety and energy savings. Rated for 125V AC, 60 Hz 15A Resistive/15A General Use/1000W Tungsten 500 VA Electronic Ballast/120Vac 60Hz 8.3A Ballast/Controls up to 1/2H cUL Listed. Up to 7 on/off settings, repeats weekly