Features:1)Ozone may sterilize, disinfection, make the drinking water.2)For medical use - make clean water to clean medical equipment 3)Water treatment like Spa, Swimming pool, Drinking water ,Water tap.4) Input voltage: AC 100V-240V, DC 12V 5) Current: 6) Power: 7) High voltage: 3.0kV, AC 3.5kV ? 0.5kV 8) Frequency: 9) O3 concentration: 1,000mg/h 10) Produce ozone way: glass tube 11) Air flow needed: 4-6L/min 12) Size: 145 x 63x 36mm13) Expectancy life time 8 000~10 000 hours