15 LED Light Stand for Large Crystal Plaque Colored with A/c Adapter 15-LED light base has a 6.25" x 2.5" top surface and is 1.75" tall. Features slow-transitioning Red-Blue-Green LED light bulbs that are twice as intense as those found in rotary bases. Designed to hold large size crystals Operates on 4 AA batteries (not included). You may use A/C adapter ( included),