... porcelain, medical examination apparatus, tool kits, jewelry set, DVD, PCB/FPC and baby toysour digital ultrasonic cleaners ... porcelain, medical examination apparatus, tool kits, jewelry set, DVD, PCB/FPC and baby toysour digital ultrasonic cleaners ... watches, mobile, denture, experiment and equipment.Specifications: Ultrasonic Frequency 40,000 HzTank MaterialStainless steel SUS304ColorPink,Iron gray ...