3 Modes ( soft, normal &pulse) Removes bacteria deep between teeth and below teeth and below the gum where brushing and flossing can't reach. Massages and stimulates gums to improve circulation and keep your ums strong and healthy. ideal for cleaning around dental bridges, braces and crowns. Ergonomically designed handle and 360 rotated nozzle, lets you easily control water flow to reach all areas of the mouth. USB recharging cable included. 7.5 OZ water tank