Model No: Dental Unit DT 2688A1 Electrically Operated Dental Chair,Dental Unit With Chair,Dental Chair Equipment,Dental Chair Unit,Computer Controlled Dental Unit,Computer Controlled Integral Dental Unit Dental Unit STANDARD ACCESSORIES Four-way high speed air turbine H.P. 2set Four-way low speed air motor H.P. 1set Three way syringe 1set Water suction and saliva ejector 1set Powerful suction apparatus 1set Strong and weak two set operation light 1set Integral cuspidor X-film viewer Spirit lock tight Equilibrium Equip Multi-function switch feet steps Dental stool 1set SPECIFICATIONS Supply Voltage 220V 50Hz Air Pressure Larger than0.55Mpa Water Pressure 0.2Mpa-.04Mpa Lowest position of chair 440mm Tallest position of chair 860mm Chair-back highest 5? Chair-hack lowest 85? Options accessories Inside curing light place 1set Inside sweep the tooth machine place 1set