FutureLab. spent 2 years of time research and development, Ocare Clean, upgrades tap water to an active oxygen mouthwash of chemical ingredients in 60 seconds by physical processes. Free replacement of two nozzles and 360 degree rotational cleaning allows you to get deep into the teeth without any blind spots. The three types of water washing power can remove dirt depending on the conditions of your teeth, and the telescoping and lightweight body is convenient to carry. The nozzle is designed to store more space and is waterproof to the entire body, and the 6.1 fl oz (180 ml) water tank is included, so you can use it anywhere, such as at home or in the office. Body (unopened): 6.4 x 2.9 x 1.6 inches (16.2 x 7.4 x 4 cm); Weight: 11.2 oz (337 g); Mouthwash Concentration: 0.5 ppm Mouthwash Manufacturing Power: 0.6 W Water Tank Capacity: 6 ml; Waterproof Grade: IPX7 Rated Working Voltage; Power: 3.7 V/5 V/5 W; Material: ABS; Material: ABS; Material: PC, Aluminum alloy