2, 00, 000 internal resolutions. auto calibration with external weight.Bright Led display red green. overload protection design. Stainless steel weighing pan.Quick and accurate result.In-built battery back up.Operating temperature 0 c to 40c. Multiple weight units gm, ct, etc. Specification: model Capacity Accuracy Pan size Psj 300 300 gm 0.01 gm 110 mm dia Psj 600 600 gm 0.01 gm 110 mm dia Psj 1200 1200 gm 0.01 gm 125 mm dia Psj 1500 1500 gm 0.01 gm 125 mm dia Psj 2000 2200 gm 0.01 gm 165 x 165 Psj 3000 3200 gm 0.01 gm 165 x 165 Psj 4000 4200 gm 0.01 gm 165 x 165 Psj 6000 6200 gm 0.01 gm 165 x 165