[Audible and Visual Alerts for Clear Distinction] Equipped with both light and sound indicators, this gemstone detector ensures you never miss a result.; [Quick and Accurate Gemstone Detection] Engineered for precision, this jewelry tester pen swiftly distinguishes between genuine and synthetic gemstones, delivering reliable results for both loose and set stones.; [Easy to Operate with Results] Simply place the probe vertically on the gemstone and press the switch for immediate results.; [Safe and Precise Testing Procedures] This thermal conductivity pen measures an object's thermal properties to determine authenticity.; [Compact and Portable Design] Designed for convenience, this compact gem tester easily fits in your wallet, pocket, or backpack, allowing you to test gems on the go.
What's in the box
1 x Gemstone Tester
