1,24V safe voltage 2,widened cushion with compensation 3,doubled armrest 4,LED operating screen 5,sensor ... viewer 1set 6-Saliva ejector (strong and weak) 1set 7-Automatic cup filler 1set 8-Rotatable glass spittoon 1set 9-Built ... and low speed handpieceLED cure lightUltrasonic scalerEndoscope systemAir compressorPARAMETERS:Power voltage 220V,50HzWater pressure 0.2Mpa~0.4MpaAir pressure >0.55MpaPacking ...