Features Inside parts imported from Denmark Synchronized movement of seat and backrest Infrared control Light Infrared control cup filler 3 position memory set Anti-collision function Tissue box is added Two water bottles Configuration 24V noiseless DC motor compensation chair 3 memories position Linak-motor made in demark Sensing detnal light Sensing water supply Curing Light (built-in) Ultrasonic scaler(built-in) Warm water system Pure water supply system 90°rotatable tempered glass spittoon 3-way syringe(cold/hot) Powerful suction device salivea ejector Dentist stool Option Imported 4(2) holes high /low speed hand piece Endoscope system Imported scaler Imported curing light Fiber optic system