Revolutionary pulsating Floss Technology: 240% MORE effective at removing plaque than any other Water Flosser! Clinically proven to remove up to 99% of plaque from treated areas. Healthier gums and cleaner teeth in 7 days or a full refund! A total dimension of 2.85 X 1.75 X 7.75 Inches. Unique inducting charging that can be fully charged within 8 hours without contacts. Universal Voltage: 100-240V AC. USB/AC adapter allows for convenient charging anywhere in the world. Battery status display.