Waterproof! The Original Jack Rabbit now thrusts! 3 rows of incredible thrusting beads and 2 rows of non-jamming rotating beads. 6 speeds of thrusting motion. 7 super charged functions of vibration, pulsation, and escalation. Automatic on/off button and LED lights. EZ load battery pack. Unscented Thermoplastic Elastomers TPE. Vibrator requires 4 AA batteries, not included.