Description:
Name: Diamond Tester Pen
Use environment: 5°C-35°C
Air relative humidity: less than 80%
Power supply: 1 x DC 9V battery (Included)
Packing list: 1 set x Diamond Tester Pen
Note:
Due to manual measurement, please allow 1-3 cm error, thank you
Due to screen and other objective reasons, there may be a certain color difference, please understand.
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