COLT Gear 7 Function Twin Bullet Vibrator is powerful and versatile! Independent controls, EZ push buttons, plug-in jacks, 7 powerful functions of vibration, pulsation, and escalation, and an EZ off button. Safe and pure for body and pleasure. Made using body safe, non-toxic materials ABS plastic with silver plating bullet, ABS plastic controller. Bullet vibrator measures 2.25 inches long by 1 inch wide. Vibrating sex toy requires 4 AA batteries not included. Do not leave batteries in the vibrator between uses. A water based lubricant is recommended. COLT Gear is a registered trademark for California Exotic Novelties. Sex toys and sexual wellness.