This is a great gift for the horse lover in the family. It has six rotating colors, which are red, green, blue, yellow, purple, and white, that can be adjustable to one fixed color or sit to auto changing the colors. Its light source is LED lights that have average service life of 100,000 hours. The power supply is an USB cable and the voltage consumption of only 3v at 5wit is made with high-quality acrylic material for years of use. It has a touch type switch and the base is 3.45”x 3.45” making it great nightstands.