... watch and clock shops, opticians, jewelry store Product name:JK-UC-10A Digital Ultrasonic Cleaner(full stainless steel,with heating ... timing and heating) Detailed JK-UC-10A Digital Ultrasonic Cleaner(full stainless steel,with heating and timing) ... , eyeglass, jewelry, golfball, razor head, coin, badge, tableware, feeding-bottle, fruits,etc.Specification Frequency of ultrasonic wave 40,000 ...