To activate your LED Base, flip the on/off switch underneath and set your desired piece on top, or place Light Base inside something creative. Steady white light shines up into vases, bottles, glass sculptures, trophies and more.Add more AAA Batteries in your chart - AAA Batteries Specifications: Diameter: 3.65 Inches Diam. LED Colors: White Batteries: (3) AAA, Replaceable Weight: 0.236 lbs Modes: Steady