Diamond Tester Pen High Accuracy Jewelry Diamond Tester Portable Gemstone Selector Tool LED Indicator Jewelry Test Pen

It's a great honor for you to visit my store. Good luck with your favorite purchases Is Smart Device : no Model Number : JJ2024454 With Backlight Or Not : no Brand Name : UYANGG Origin : Mainland China Certification : CE Color : Black Material : ABS Power supply : 1 * DC 9V Battery (included) Feature 1 : LCD display & LED indicator. Feature 2 : Easy to use even for a new beginner. Feature 3 : Large / Small switch for testing diamonds +/ - 8 points The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom'sd policies and EU Product Safety and Compliance laws.