Dental Unit (SY3068-2013 model) 1-High speed handpiece tie-in (2 hole or 4 hole) 2 sets 2-Low speed handpiece tie-in (2 hole or 4 hole) 1 set 3-Three-way syringe(cold and hot) 1 set each 4-All directional headrest 1 set 5-Rotary assistant position 1 set 6- opration lamp 1 set 7-Strong and weak suction 1 set each 8-Saliva ejectors 1 set each 9-Water heating system 1 set 10-24V x-file viewer 1 set 11-Outlay pure water bottle 1 set 12-Luxurious ceramic cuspidor 1 set 13-Completely seamtess cushion & backrest 14-Dentist stool 1 piece SPECIFICATIONS Supply Voltage: 110V~220V 50HZ-60HZ Air Pressure :> 0.55MPa Water Pressure: 0.2MPa-0.4M Options : 4/2 hole high speed air turbine hand piece 4/2hole low speed air motor hand piece Endoscope system /intra-oral camera Built in scaler Built in cure light Oil-free air compressor Soft leather ,LED light