Model: PZ-401 Voltage: 110V~240V, 50Hz/60Hz Power:220W Airflow: 100L/min Noise: 50dB(A) Pressure: 8Bar N.W.: 8.8Kgs. 1.Composing: Spout, Air pump, Water pot, Teeth rotate, Odontoscope. 2.This product is a multi-functional comprehensive dental treatment apparatus. It contains all the functions of the dentistry treatment machine. 3.It can be used in many demanding situations, such as emergent battlefield clinics, disaster areas aid, and mountainous areas treatments and so on. Use to help those inconvenient patients. 4.It can be easily manipulated. Easily to take, wear well, lowest malfunction rate, oilless, low noise.