Power: 1000W Ultrasonic frequency: any frequency (25KHz, 28KHz, 40KHz) Vibration plate size (mmmm): 400×300×120 Time adjustable (min): 1-999 Power adjustable: 40-100% Note: Voltage 220V/50Hz±10%, power control box size: 370*420*140mm, with overload protection, leakage protection, vibrator short circuit protection.