"Diamond Testeï¼60X LED Magnifying Glasses" is a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond testing. Features: Color: Black LED light and audio result indication Accurate and reliable reading Metal alert Simple calibration for stones of various sizes Testing Capability: Diamonds, Diamond simulation (e.g. CZ), Metal Dimensions: 6.5" x 1.5" x 0.75" (Depth) Weight: 5 Oz Initial warm-up time: ~ 20 sec. Indicator: Audio and LED lamps Power: One (1) 9V Battery(s) (included) 60X Microscope Magnifying Glasses Bright LED light of the Magnifying Glass provides enough light at any dim conditions; The pocket size is convenience to carry, you can use it in everywhere and every time. Compact Design Provides 60X Magnification. Color: Silver. Lens Material: Glass. Size: 3.7cm 3.5Cm 1.5cm (L*W*H). Power Supply: 3 x LR1130 Batteries (included). Currency Detecting Microscope Magnifying Power is 60X.with a Faux Leather Pouch, Can Protect it From Scratch, Attrition. The Pocket Size is Convenience to Carry, You Can Use it in Everywhere and Every time. Package Content: 1 x Diamond Tester 1 x 60X Microscope Our products are all from factory direct supply, we can guarantee 100% inspection before shipping. If any problems of our products really exist, an exchange or a is available.