DESCRIPTION： Moissanite Jeweler diamond tool kit: portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond testing. FEATURES: LED light and audio result indication Accurate and reliable reading Metal alert Simple calibration for stones of various sizes Convenient carrying case Testing platform for loose stones This portable and versatile loupe can be used for jewelry, gemstone, the document, and currency authentication. Technical Specifics: 1. Pocket portable. 2. Non-destructive testing, simple and accurate operation. 3. Power supply: DC9V battery. 4. Body size: 162*42*22MM weight: about 160g Note: 1. Some pics look like larger size,please notice the exact items size. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and check the measurements to choose the right size! 2. Please keep in mind that due to lighting effects, the monitor's brightness and contrast settings, the color of the products could be some slight different between our photos and the actual item you receive. Package Include: 1 x Moissanite Jeweler Diamond Tester kit 1 x Tester Pouch