A Patented Bi-Directional LED Bulb that shines brightly on one side and softer on the other. It is brighter than any cordless or plug in candle made and has a gentle warm white glow. A uniquely designed adjustable base allows candle to be raised or lowered for maximum street visibility. Four sturdy and beautifully designed metal base colors to choose from that will fit on most all windowsills. The ivory taper is enhanced with the dripped wax look. An easy to set built-in timer located in the bulb turns the candle on for 6 hours and off for 18 hours. Will last longer than 30+ days on one set of batteries. (Batteries Not Included) Takes 4AA Batteries. Glass bulb life is over 10,000 hours. Choose from Antique Bronze, Brass, Brushed Nickel or Black Onyx. Set of Two or a Set of Four. As soon as the bulb makes connection to the battery the candle will stay on for 6 hours then turn off for 18 and repeat this cycle till the bulb is removed.