PS500 is the Digital Scale.

This unit can be used in many place where quick and precise weighing is needed. You can use it to weigh necklace, flavoring, chemical, etc.
·High resolution
·Low power consumption
·4 kinds of unit to be selected:
g, oz, dwt and ozt
Protecting cover
The cover protects the scale when not in use
Auto power off
In 120 seconds if it is not in use
Pocket size
Specifications

Maximum Load:500g/17.64oz/321.5dwt/16.08ozt
Resolution:0.1g/0.01oz/0.1dwt/0.01ozt
Power:1.5V(AAA) × 2
Dimensions(W×L×T):76×125×24 mm
Weight:130g (with battery)