One of the hottest products on the market! It's a perfect giveaway for customers, new prospects, events, trade show, or just for fun! Press the light caps to turn on and switch between 3 light settings, fast flashing, slow flashing, and slow color cycle. Small size easily slides into a pocket, purse, or backpack. RGB flashing LED lights housed in removable plastic caps. Includes 3 non-replaceable batteries. 2.95" Diameter x .5" H