Push-button dual pressure control system with low for sensitive gums, high for deep cleaning. Reservoir can be filled without removal.nConvenient, recharging power supply. No contact charge - safe for use. Waterproof and washable. No batteries needed. Stays charged for approximately one week.nEasy to store when not in use. Clinically proven to be up to 93% more effective than dental floss at improving gum health.nRemoves bacteria deep between teeth and below gum line where brushing and flossing alone will not reach.nMassages and stimulates gums. Can be used with your favorite mouthwash. Leaves a clean, fresh sensation.nNow you are on your way to better gum health, and a healthier smile! With a clinically proven combination of water pressure and pulsations, powerful jet water removes food leftovers from spaces between the teeth areas (between back teeth, between teeth and gums) where cleaning is difficult by typical toothbrush. The strong, pulsating water let flushes out food articles where the toothbrush can not reach. It also washes away loosened plaque from the spaces between the teeth and gently massages the gums, The result is to heal your gums, Regular cleaning assists in the prevention of gum disease and Improves your personal dental and oral hygiene!