This Kurt Adler 10-Light Clip-On Candle Light Set is a beautiful, festive way to add to the lighting of your holiday decor. Each of the 10 candle lights in this set features a clip design so that, when attached to the branches of your Christmas tree, they stand straight up. Each candle measures about 3.5" in height. Each indoor-only light set has clear bulbs, 12" spacing, a 30" lead wire.