STANDARD CONFIGURATION: *NSK four-hole hight-speed pneumatic worm hand-held unit 2pcs *NSK four-hole low-speed pneumatic worm hand-held unit 1pc *multi-purpose syringe for cool water and hot water 1 set each *strong and weak aspirators 1 set each *automatic constant temperature ringsing water system *film obvservating light *cool light oral lamp *pure water system for hand-held unit *rotary main housing *dentist chair TECHNICAL PARAMETERS: *power voltage:110v-240v 50/60hz *pressure of air source:0.5 0.8mpa *water pressure:0.2 0.4mpa OPTIONAL: *denticleaner *photocuring apparatus *compressor for medical use *high throw type