... 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 lightSTANDARD EQUIPMENTS:1-High speed handpiece connector 2sets 2,Low speed ... 1set 11-Sanitary cushion and backrest 1set 12-Doctor’s stool 1pcsOPTIONALS:Imported high and low speed handpieceLED cure ...