Gemstone Tester, High Accuracy Tester Pen with Thermal Conductivity Sound

[High Accuracy Testing] The gemstone tester pen utilizes advanced thermal conductivity technology to precisely distinguish between real gemstones and imitation ones. its high sensitivity ensures accurate results every time making it a reliable tool for jewelers and gem enthusiasts.; [Easy to Operate] Simply place the probe vertically on the object and press the switch for results. the gemstone tester is designed for ensuring anyone can use it without prior technical knowledge while maintaining high accuracy.; [Durable and Reliable] Made from abs material this gemstone detector is built to last. its robust construction and rechargeable battery ensure long-term usability making it a dependable tool and hobbyists alike.; [Portable and Versatile] This compact gemstone detector is perfect for testing both loose and mounted gemstones as well as jewelry and precious metals. its lightweight design allows easy portability fitting effortlessly into wallets or backpacks for on-the-go testing.; [Audio and Visual Prompt] Equipped with a sound and light indicator this gemstone tester provides clear signals during operation. the audible beep and led light make it effortless to differentiate between genuine gemstones and other materials enhancing user convenience.

What's in the box
1 x Gemstone Tester