Perfectly sized dual stimulator with accentuated G-spot curve features dual motors with 12 intense functions of vibration, pulsation and escalation. Includes easy push button control with LED light and auto on/off. State-of-the-art memory chip resumes on last function used. Stimulator flexes and moves with you. Requires 2 AAA batteries, not included. Shaft measures 4.5 in. by 1.25 in.