1,mini ultrasonic cleaner,LK1000,35W 2,Working life: 3000 ... specification:(mini ultrasonic cleaner,LK1000,35W)ModeLK1000Power35WFrequency42KHZVoltage220VInner groove size150*95*52mm The function of ultrasonic cleaner machineUltrasonic cleaner machine use ... :1.Printer inkjet-heads, seals, ancient coins, badges, valves, machine nozzles,2.Silverware. bronze ware, antiques, Jewelry, rings, diamond, ...