Clitoral Hummer is 6.25 inches multi-speed waterproof stimulator. made from plastic. It provides powerful vibrations with unique contoured scoop for clitoral stimulation plus the well placed gyrating nub for a g-spot orgasm and intense action. You control the intensity of the vibrations with a twist of the base controller from mild to intense. The Hummer has 7.5 inches total length. .5 inch at the small nub to 1.25 inches thick around the scoop. Requires 2 AA batteries. not included.