Features:_x000D_ _x000D_ Diamond tester is a portable electronic device for distinguishing real diamonds from other simulated stones. _x000D_ It is designed for quick, precise, and safe diamond testing. _x000D_ Nondestructive testing, simple and accurate operation. _x000D_ Highly compact design and light weight, easy to carry. _x000D_ This LED diamond tester will indicate the result whether your diamond is genuine or fake. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% brand new_x000D_ Color: Black _x000D_ Power: DC 9V battery (NOT included) _x000D_ _x000D_ Package List:_x000D_ 1 x Diamond Tester_x000D_ 1 x Belt_x000D_ 1 x Gasket_x000D_ _x000D_ Note:_x000D_ 1. 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._x000D_ _x000D_ 2. Please note that the new type and old type of this product will be sent andomly, and make sure you will not mind before ordering.