The Hop'n Rabbit Stroker is a multi-speed and multi-function jelly vibrator with an added bonus: The shaft of this wonderful toy moves in and out as you use it! The rotating head, clit stimulator and high-tech multi-speed/multi-function controller make this the best toy Doc Johnson has ever made. The shaft of this unique toy thrusts in and out and allows you to control the speed with a push of a button. Or, use the multi-function button that will vary the thrusting action. The Hop'n Rabbit Stroker measures 11 inches total length with an 8 inch shaft that has 6 inches of insertable length up to the clit stimulator. The vibrator's clit stimulator is 3.5 inches long, 1.25 inches wide and 4.75 inches around. 4 AA batteries required not included.