Tester, Non Destructive High Accuracy Portable Selector Pen with Gem

[Easy Identification] This tester uses 2 distinct sounds and 3 colors of light for quick and accurate authentication of diamonds and gems.; [Non Destructive Testing] The selector pen ensures safe testing without damaging jewelry, making it ideal for portable and handheld use.; [Quick Distinction] Quickly distinguish between real diamonds and various imitation stones with this efficient tester tool, preserving their integrity.; [Operation Principle] Designed based on thermal conductivity differences, the tester provides reliable results for gemstone identification.; [Portable Design] Easy to carry and operate, this professional tool comes with a storage bag and testing tray for convenient use anywhere.

What's in the box
1 x Jewellery Findings