... purposes, excellent effect to clean personal articles such as gold and silver jewelry, necklaces, earrings, glasses, nozzles, watches, mobile, denture, ... baby toys, tool kits, DVD, PCB/FPC, experiment and equipment. Specifications: 1 ... ml6. Time Control: every 3 minute to turn on and off7. Power supply: AC 110-120V, 60Hz, AC 220 ...