1,24V safe voltage 2,widened cushion with compensation 3,doubled armrest 4,LED operating screen 5,sensor light FEATURES:1,24V safe voltage2,widened cushion with compensation3,doubled armrest4,LED operating screen5,sensor lightOPTIONALS:Imported high and low speed handpieceLED cure lightUltrasonic scalerEndoscope systemAir compressorPARAMETERS:Power voltage 220V,50HzWater pressure 0.2Mpa~0.4MpaAir ...