Features:

100% Brand New
Tested and pre-calibrated, ready to use.
It is ideal for diamonds, platinum, gold, silver, herbs, medications, etc.
Multiple weighing modes (gram, carat, pennyweight, grain).
Large LCD display.
With a clear protective cover.
Tare function & Counting function.
Auto power off after 300 seconds.
Over-load indicator.
 
 
Specifications:
Color: Black
Units: g/ct/dwt/gn/oz/ozt
Capacity: 50g
Accuracy: 0.001g, 0.005ct, 0.2gn.
the ​Minimum weight:about 0.01g
Error range:+- 0.003g
Power supply: 4* 1.5V AAA batteries (not included) or USB   Powered  (with USB cable)
Working temperature: 0 - 40 (32-104 degree Fahrenheit)
Auto off:  300 seconds
Item size: 96 * 150 * 64mm
Weighing pan diameter:65mm
LCD Screen size:75*36mm
weight:220g
 
Calibrate method:
after turn on the scale,press "MODE" button and hold down,it will show "CRL",then press "MODE" button again, "CAL" will flashing then show "50.000"g and flashing,you need put the 50g weight on the weighing pan,it will flash "PRSS" then show "50.000" g,Calibration completed!