Mini High Accuracy 0.001 ~ 50g High Definition jewelry Scale high quality pocket electronic digital jewelry scales Specifications: 1.Capacity/graduation: 50g x 0.001g (250ct x 0.005ct) the 0.001 that mean can check to the After three decimal places 2.Scale pan size: DIA 60mm 3.Display: 5 digital LCD 4.Light: Blue backlight 5.Units:gram, oz , ct , ozt , dwt , ct, gn 6.Capacity: 50g / 250ct / 1.7637oz / 1.6075ozt / 32.1507dwt / 771.62gn 7.Accuracy: 0.001g / 0.005ct / 0.0001oz / 0.0001ozt / 0.0006dwt / 0.01gn 8.Counting Function: pieces, counting on percentage condition 9.Functions: Tare function, Auto zero function, Auto off 10.Power: 4 * AAA batteries (NOT INCLUDE) 11.Size: 136mm x 90mm x 65mm Package included: 1 x Electronic Digital Scale 2 x 20g calibration weight 1 x Tray 1 x for DC to USB Power Cable 1 x Manual