IFOLAINA Multicolored LED Light Base for Laser Engraving Crystal Display Stand With Power Adapter The shape of LED light base is square On/off switch, easy to operate .Electric powered with power adaptor included The base has 7colored bulbs that creat multicolor light . Emits colorful light that changes color gradually Apply to the bedroom, living room lights ,display in store and office The color can change alternately to make the crystal and glass colorful