Create an amazing glowing atmosphere with the ADJ blacklight that has reflectors for extreme high output and measures at 24 inches. This 20W bulb and fixture were made to last you through many shows. Included as well is a 3 ft. cord so you have plenty of room to plug it in. With an on/off switch you can control when this light needs to be used. This awesome black light is one of the best of its kind producing immense light for its price. The value of this bulb is unrivaled and will make you stand out.