Xtreme Power! Silver Vibrating Bullet. Waterproof Battery Pack and Multi Speed Push Button Controls. Turn it up to TURBO POWER!Bulk Weight: 2.8(oz) / 0.08(kg)Requires 2 AA Batteries2.25” x 1”/5.75 cm x 2.5 cmErgonomic power pack with universal silver bullet2-speed, push-button controlABS with Silver Plating (bullet) ABS (controller)