Good Tidings LED 3-Tier Window Christmas Candle Holder with Sensor, Antique Finish Battery-operated LED window candle with windowsill mounting clip Automatic sensor turns candle on at dusk and off at dawn 3-position slide switch for "off", "flicker", or "full-on" settings Lasts 45 days running 12 hours per day on 3 D-cell batteries (not included) Measures approximately 9 inches wide by 1-1/2 inches deep by 10 inches high