... , zero 3.self calibration 4.CE,CCC certificate LED weighing indicator SpecificationModel Max.Cap.HX-2000B1 LCD30kg/60kg/100kg/150kg/200kg ... *49cm, 10pcs/CTNfunction key, on, off, zeropower cord,dust cover,battery, indicator connectorBacklight can be adjusted.N.W.: 16KGS 6V 4Ah rechargeable ... battery backup,with dust cover.G.W.: 18KGS Alert:overload alert; ...