... operation, Tare feature; add-up feature, four different weighing units(g, ct,dwt,gn) includes tweezer, 10g and 5g calibration weights and ... box. over load protective function nice blue backlit units is g ,ct,dwt,gn Auto power off: 1 minutes use temperature is ... /inner box, 60pcs/ctn CBM- 50*38.6*38.2CM G.w- 275g/pcs, 18.5kg/ctn christmas day China weigh ...