The Ultra 7 Hummer has a 7 inch long, 1.25 inch diameter shaft and comes with a 2 directional, 3 speed smooth rotating tip for the g-spot and 20 internal rotating steel beads within the shaft that caress in 2 directions and 3 powerful speeds. However, the star turn is the Ultra 7 Clit Hummer which provides the best in clit massage with its 3 speeds, 1 escalating and 3 pulsating modes. It is also fully waterproof. 3 AAA batteries included.