This type of machine is applicable for clean the dental equipment and all kinds of metal, plastic, glass and ceramic. It is hard to clean the exiguous ripple and the dirt by sponge and brush, but our cleaner can scrub-up it with ultrasonic. This machine is controlled by digit, have bigger chamber, moreover have inside cleaning gridding.Voltage 220V/50Hz+/-10%Power 60WSupersonic frequency 60KHzVolume of internal slot: 5.5x18x8.6cm Company: Ningbo Shujia International Trading Co., Ltd.