... system , double operating interface of Chinese and English· Built-in lithium battery with high capacity for over 10 hours of operating life ... locating(VFL)· Universal FC/PC,FC/SC,FC/SC connector type , its convenient for surface cleaning· Unique function of updating ... AC adapter 100~240V,50/60Hz,1.5A),Built-in Lithium battery:4400mAh,7.4V,operating time≥10 hours33Dimensions210mm*100mm*60mmWeightAbout ...