Protect you with Ozone Chikara Ozone Air Saras can safely generate low-concentration ozone in nature. Easy to carry, clean air in a variety of situations. Ozone is a substance that attracts the world with powerful disinfecting and deodorizing power. Ozone has high acidity and works to purify the atmosphere. Concentration of 0.03 - 0.06 ppm for sunny coasts, and 0.05 - 0.08 ppm in forests. Ozone can be confirmed as an odor. Fresh air such as forests contains ozone. Ozone output amount: 1/2/3/4 mg/h (4 stage switching); Charging time: Up to 6 hours; Charging operating time (when fully charged): 4 mg/h: Approx. 6 mg/h: Approx. 8 h 2 mg/h: Approx. 12 h; Battery used: Lithium polymer battery (1,650 mAh); Waterproof level: IPX4 power supply: AC adapter (AC 100 equivalent). Power supply: AC adapter (AC 10 40V 50 /60 Hz) Body External Dimensions: W 3.7 x H 4.9 x D 3.5 inches (95 x 126 x 88 mm); Maximum Power Consumption: 4 mg/3.45 W; Weight: Approx. 14.1 oz (400 g) (main unit only); Material: AES, ABS; Handle: Aluminum; Recommended Coverage: 2 - 16 lbs (3 lbs (16 lbs (3 - 2 cm) ~40℃ No condensation)