Advanced, waterproof, and multi-functional, the Advanced Waterproof Jack Rabbit from Cal Exotics features flickering bunny ears with 7 functions of independent vibration, pulsation and escalation. 6 speeds of independent rotation. Non-jamming synchronized rotating beads. Easy push button controls with auto off button. EZ load battery case. TPE (rabbit) ABS (controller) ABS with Silver Plating (beads). Requires 4 AAA Batteries. 5" x 1.5"/12.75 cm x 3.75 cm (shaft). 2.25" x 1.25"/5.75 cm x 3.25 cm (rabbit).