Dental Portable Mobile Folding Chair Rechargeable LED Light with Turbine Blue 4 Holes. Bold steel pipe is weighed without shaking. Chair taste multi-angle adjustment. Water and oil proof,easy to clean. Rotatable spittoon, stainless steel tray and pedals. Adjustable backrest with soft uphostery and 4-level height adjustment makes more convenient for patient. Note: This chair must be connected to an air compressor and external water.It also needs a tube to link the turbine and air compressor, but our product does not contain this tube, after you receive the product, you need to buy it yourself. Overview Beautiful and stylish. Foldable, light and portable. The height of the backrest can be adjusted to meet different needs. Durable, waterproof and flexible fabric. Thickened, widened and enlarged design. Packing List Portable Folding Chair: 1 Rechargeable LED light:  1 Dental Tray: 1 Waste basin and basin support:  1 Flushing system and Water supply system (connect water tap): 1