Safety and environmental protection. The cleaner adopt cavitations which ultrasonic wave come out by dissemination in the water, effects on the surface and fine jeweler gap, thereby stripping it and remove all dirt harm objects, the jeweler brand new, clean and hygienic. This cleaning method for physical cleansing, they will not cause damage jeweler, and not a chemical cleaning solvent in the process of losing a large number of the current phenomenon may be the safest and way of cleaning of most environmen friendly. Supply power AC 220V/50Hz Model VGT-600A Frequency 25W/40KHz Tank size 60*40mm Overall size 130*120mm Volume 100ml N.W 495g.