Ultra-Bright LED shines brightly outside and softly to the inside of your home Automatic timer turns LED on for 6 hours and off for 18. Repeats cycle each 24 hours. Slim-line metal base is ideal for narrow windowsills (only 1.5" deep) Adjustable height. Set to either 10.5" or 9" tall. Pack of 4 candles. Choose from 4 different base colors Our Ultra-Bright LED window candle with a slim-line base offers a slight variation in features from our original 1524 series candle. This version features a slimmer base that is only 1.5" deep, so the candle rests well on even a thin windowsill. The candle is also a little smaller, but is adjustable to 2 different heights (10.5" or 9"). The Ultra-Bright LED is still the same, shinning super bright to the outside and softly to the inside. To operate simply insert 3 AA batteries, not included, and screw down the bulb. The automatic timer goes on for 6 hours and then off for 18 hours. The cycle repeats every 24 hours. Set includes 4 candles. Metal base with a matte onyx finish.