12 Pack Hanging Window (Suction Cup) Lighted Candles. Each candle uses 2 CR2032 batteries- 2 batteries are included with each candle (12 candles with 24 batteries total). Each candle is 9.5" tall, 1/2" thick, and the string that connects the candle to the star is 8". Stick them onto the inside of a window and the entire acrylic candle ornament lights up! Also usable indoors on mirrors or as lighted tree decorations.