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 TPE. 4 AA batteries. 4.75 x 1.5/12 cm x 4 cm.