COLT Mega prostate massager features multi-functional premium Silicone vibrating probe with easy grip handle. 10 functions of intense vibration, pulsation and escalation. 4 independent speeds for each function. Easy touch controller with LED - hold for 3 seconds to turn off. Waterproof for play in and out of the water. Safe and pure for body and pleasure. Made using phthalate free materials: Silicone probe, handle, ABS plastic with polyurethane PU Cote cap, buttons, rim, ABS plastic with silver plating decoration. Vibrating sex toy requires 4 AAA batteries, not included. Bulk weight 11.9 ounces. 6 inches by 2.25 inches.