COMPACT and PORTABLE: The Waterpik Nano Plus water flosser delivers full size performance in a compact electric design that is 50% smaller than full size models and great for both at home and travel in North America. CONVENIENT: Easily control water flow with the convenient on/off handle switch, reservoir inverts to cover unit for travel and storage, swivel handle/hose makes it easy to floss all areas, including back teeth. DENTIST RECOMMENDED: Waterpik is water flosser brand recommended by dental professionals and the first water flosser brand to earn the American Dental Association (ADA) Seal of Acceptance for safety and effectiveness. KEY FEATURES: 4 tips for multiple family members and needs, 5 pressure settings, removable 15 oz reservoir (top-rack dishwasher safe for easy cleaning), 60 secs of flossing time, 360 swivel handle, 120VAC/60Hz for use in North America only. PROVEN EFFECTIVE: Waterpik water flossers use PrecisionPulse technology to deliver a combination of water pressure and pulsations, removing up to 99.9 percent of plaque bacteria from treated areas that cause gingivitis, cavities, and bad breath. WARRANTY AND SUPPORT: Backed by a 2-year limited manufacturer’s warranty, see manual for details. Waterpik’s Colorado support team is available to help with any product questions or needs.