3.5-7g ozone generator, portable and low maintenances Size: 265*210*180mm Stainless steel cabinet , 2 or 12 hour timer with hold function, Ozone control switch for low and high, 3.5 ozone output at low, 7.0 ozone output at high, With 2 high quality ozone plates Input power: 100w/230v Uv light optional according to requirement. Size: 265*210*180mm N.W./g.W.:2.9kg/3.4kg