This tool of ppleasure is waterproof and fully automated for one hand activation. The Turbo stroker is equipped with 3 speeds of intense vibrating and stroking action that will suck and caress your Willy and transport you to planet nirvana. Designed so that it is easy to disassemble and clean, the package includes a silicone donut and noduled sleeve for a nice tight fit. EZ push button action with LED lights. Requires 4 AA batteries. Use with your favorite comaptible lubricant. Enjoy!