Standard Specifications: - Low –mounted instrument tray. - 4-hole headpiece tubing. - Dental chair pu leather. - Safety stop. - Operating led light. - 24 v x-ray film viewer. - High and low saliva ejector. - 3-way syringe 2 sets. - Foot control( with self –lock function) Water tank. - Bulit out junction box. - Water and air tubes made n USA. - Water heater. - Adjustable head rest. - Auto spitton flush and cup filler control system. Technical Specifications: - Power voltage: 220v /50 hz. - Motor voltage: 24 v. - Water pressure: 0.2mpa-0.4mpa. - Air pressure: 0.5mpa-0.8mpa.