Detachable handpieceScaling & perio functionAutomatic frequency trackingReal-time feedbackMain unit input: 24VAC 50HzFrequency: 28KHz±3KHzWater pressure: 0.1bar-5bar (0.01MPa-0.5MPa)Package size 18.2cm*17.2cm*6.8cmGross weight: 0.45Kg