Get ready for the best stroking experience of your life! The PDX Elite Hydrobator is made for incredible aquatic stimulation with its innovative double-open-ended design, allowing water to flow through the tunnel while simultaneous automated stroking technology gives you a fully-encompassing stroking experience. Created with a hollow tunnel to fit any length shaft, the Hydrobator's accessible shape allows for wet or dry automated stroking and vibration—making it perfect for shower masturbation sessions! The internal tunnel is lined with supple Elite Silicone and is ribbed and textured for extra stimulation. Enjoy 3 stroking speeds and 7 powerful vibration modes that tease the entire length of your penis. Stroking and vibration features can be enjoyed simultaneously or separately, with water or without, for personal sensation customization. IPX7 Waterproof - Rating Ready to be thoroughly enjoyed in the shower or spa. The open ended design allows warm water to flow through, creating an incredible aquatic stroking sensation. The Ultimate Shower Stroker - Spray warm water through the open end for the warmest, wettest orgasm ever! Length: 7 in. - ( 18 cm ) Width: 3 in. - ( 7.6 cm ) Height: 8.25 in. - ( 21.1 cm USB rechargeable