IFOLAINA LED Plastic Light Base Big Rectangle Stand for Laser Engraving Crystal Decorations Display Multicolor Plastic The shape of LED light base is rectangle The base has 18 colored bulbs that creat multicolor light . Emits colorful light that changes color gradually Black plastic display stand .Without on/off switch . Power supply: power adapter only, mains operated. Battery can't be used on it Beautifully lights up laser etched crystal cube (not included) . Great gift for all ages Perfect for displaying glass, crystal and acrylic pieces. Great for store displays or in home use