This operatory system includes a S-3606 3 Handpiece Automatic Control, Top Post Mount System, A-5210 Telescoping Vacuum Arm for 145-000 Side Box only,Aerolight Operatory Light (shown above), and 145-000 Side Box with light post, Water QD, Flow Control and Clean Water for A-5210 Telescoping Vacuum Arm only. The chair is not included with this package.