Specifications:

1.Capacity/graduation: 100g/50g x 0.001g
2.Scale pan size: DIA 60mm
3.Display: 5 digital LCD
4.Light: Blue backlight
5.Units:g, oz , ct , ozt , dwt , T, gn
6.Capacity: 50g / 250ct / 1.7637oz / 1.6075ozt / 32.1507dwt / 771.62gn(ifCapacity is 100g,It is 2 times of these)

7.Accuracy: 0.001g / 0.005ct / 0.0001oz / 0.0001ozt / 0.001dwt / 0.01gn(Note:Accuracy not means the minimum  weight,Usuallythe minimum weightvalue is about 10-15 times the accuracy)

8. Error Range:+-0.005g

9.Counting Function: pieces, counting on percentage condition
10.Functions: Tare function, Auto zero function, Auto off
11.Power: 4 * AAA batteries(Not include)orUSB cableconnection(include)
12.Size: 135mm x 90mm x 60mm

Package included:

Electronic Carat Scale

calibration weight(for 50g,include 2*20g weights;for 100g,include 1*100g weights)

small tray

USB cable

User Manual

small tweezers

Note: because the scale will be affected by temperature, humidity, environment, transportation, wind, etc.so you need calibrate it before use it.

Calibrate method:

Make sure the scale is placed on a hard level surface,turn on it,press "M" button and hold down,it will show "CRL",then press "M" button again,it will show "ZRRO" then flash"100.000"g(if 50g,it will show 20g,you need put 20g weight on the pan,then it will show 40g,you need put another 20g weight on it.),you need put the 100g weight on the pan,it will flash "PRSS" then show "100.000",Calibration completed!