Standard Configuration: *import four-hole high speed pneumatic worm hand-held unit 2 pcs *import four-hole low-speed pneumatic worm hand-held unit 1pc *multi-purpose syringe 1 pc *strong and weak aspirators 1 set each *automatic constant temperature rinsing water system *film observating light *cool light oral lamp *pure water system for hand-held unit *seated ceramic basin *dentist chair Technical Parameters: *Power vottage:110v 240v 50/60hz *pressure of ari source:0.5 o.8mpa *water pressure:0.2 0.4mpa *high throw type