Feature of Ultrasonic Mould Polisher Machine, mould polishing machine, mould lapping machine: 1) Power supply of AC 90-240V at 50/60 Hz to meet the internal applications; 2) Designed in high-efficiency microprocessor, with more flexible and user-friendly functions; 3) Regulated power supply keeping power consumption low and away from heat generating; 4) Overload protective circuit incorporated to enable safe and long-hour use; 5) Ultrasonic vibration, DC rotary tools and DC brushless rotary tools all incorporated in one single unit as drive, offering choices and saving space. Power Supply 90 240VAC 50/60HzMax.output power 60 wattsUltrasonic frequency range 18 26KHzAdjustment of Ultrasonic output ContinuousAmplitude of Ultrasound 3 40μFrequency adjustment Automatic tracingOverload protection circuit YesSuspending detection and protection circuit YesFuse 2A 20mm Time-LagDimensions 170x240x140mmWeight: 2.5 Kgs