Panasonic Oral Irrigator Jet Washer Doltz EW-DJ55-W [Water Flow] Ultrasonic Water Jet [Tank Capacity] Approximately 200mL [Continuous Use Time per Water Fill] Approximately 1 minute (with maximum water pressure setting & ultrasonic water jet nozzle) [Usable Time] Approximately 10 minutes on a 1-hour full charge [Charging Time] Approximately 1 hour [Waterproof Performance] Entire body can be washed with water (IPX7 grade) [Accessories] Ultrasonic water jet nozzle x 1, Point cleaning nozzle x 1, Tongue cleaning nozzle x 1, AC adapter [Power Source] Rechargeable [Body Dimensions] With tongue cleaning nozzle attached: Approximately Height 31.0 x Width 7.5 x Depth 8.5cm [Body Weight] Approximately 276 g (including tongue cleaning nozzle) [Charging Stand Dimensions] Approximately Height 4.0 x Width 9.0 x Depth 10.0cm [Charging Stand Weight] Approximately 115g