Model SD-121H Inside Diameter 150(w)*135(l)*100(h) Outside Diameter 177(w)*162(l)*211(h) Capacity 1.8L Ultrasonic Frequency 40KHz Ultrasonic Output 50W Current 0.55A Gross Weight 2.7KG / 3.1KG Power AC220V / 60Hz Heater Capacity 55W Operation Time - 0-30min. - Warming up the temperature of 65℃ +-10% Materials tub (SUS-304), body(SUS-430) Parts cover(PC), fuse x 2, manual C3