Specification:
Condition: 100% brand new
Color: Black
Power: DC 9V battery (NOT included)

Package List:
1 x Diamond Tester
1 x Belt
1 x Gasket

Note:
The working environment is 5-35, the relative humidity of the air is 80%. The tested gem must be clean, dry and at room temperature.
note:
the new type and old type of this product will be sent randomly, please make sure you can accept it before order.