PRODUCT PARAMETERS: 3.1 inches in diameter and 1 inch in height. The concave base is suitable for spheres from 50 mm to 120 mm. The concave base is 30mm in diameter, and the artwork can be spherical or flat when the diameter is over 30mm. TOUCH SWITCH: 6 modes, multiple colors are slowly swapped, multiple colors are quickly swapped, white light constant, constant red light, constant blue light, constant green light. Does not rotate. POWER MODE: 3 AAA batteries (not supplied by the seller) or USB port, cable length 82cm is suitable for mobile power, PC, etc. VARIOUS COLORS: white , red, green, blue. However, when colors are swapped, other colors are generated. For example, when red and blue light appear at the same time, purple is produced, red light and green light meet to produce yellow, etc. PRODUCT DECORATION: suitable for home display and in the office, you can display your glass objects, crystal balls, such as jellyfish statues, crystal statues, various spheres. Also can be used as holiday party decoration with beautiful lighting effects.