Power Voltage DC 24V, 1.7A Gross Weight 3.8kg. Output Voltage AC 110V, 60Hz. Bottle water supply, in order to satisfy using pure water or disinfectant. If the item is subject to FDA regulation. Portable lcd dental piezo ultrasonic scaler+scaling tips+handpiece+2water bottle lcd screen, nc switches can be used to control all functions, easy to operate.