"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! Elite Silicone Tunnel - The smooth silicone tunnel is ribbed and textured for extra stimulation. Use with lube Use in the shower Use in the bath Fully Automated Stroking Technology - Your hand will never get tired again! The dynamic stroking is completely automated—all you have to do is insert your shaft and enjoy the potent pleasure of 3 stroking speeds instantly. Comfortable Handle - The ergonomic handle is easy to hold for comfortable extended use. Powerful Vibration - 7 patterns of intensely satisfying vibration heightens your experience and creates mindblowing orgasms. Erectile Dysfunction Aid - Regular masturbation strengthens pelvic floor muscles, helping to prevent erectile dysfunction (ED) in men. Edging, the practice of purposely delaying orgasm, can build sexual stamina and can help with ED by encouraging healthy blood flow to the penis. Care Instructions: Cleanup is a snap after the fun with Refresh Toy Cleaner and warm water. If desired, use a water-based lotion like Moist with this product. Quick Start Guide: Start by pressing the power button to turn Hydrobator ON/OFF. Fully Automated Stroking - Press the stroking button (arrows) to initiate automatic thrusting. Press again to cycle through 3 levels of stroking speeds. Press & hold the button (arrows) for 3 seconds to turn OFF. Vibration - To activate vibration, press the mode button. Press again to cycle through all 7 vibrational modes. Press and hold the mode button for 3 seconds to turn OFF. The open ended design allows water to flow through it creating an incredible aquatic stroking sensation." @npc2019_8