Jeweler Diamond Tool Kit : Portable Diamond Tester - 60X Illuminated Loupe with Storage Case 1. Diamond Tester Specifications: Color: As Picture Dimensions: 160*42*22mm Testing Capability: Diamonds, Diamond simulation, Metal Auto Off: " N/A Initial warm-up: ~ 20 sec. Indicator: Audio and LED lamps Power: 1 x 9V Battery (included) 2. 60X Loupe Specifications: Color: Silver Size: 40 x 35 x 20 mm Magnification: 60X Illuminated: by LED and ultraviolet lamp Powered: by 3 LR1130 button batteries (included) Used for: industry, circuit board, printing, medicine, coin and stamp, education and so on Package Included: 1 x Diamond tester(battery included) 1x 60X jeweler's loupe(battery included) 1 x Testing platform 2 x Carrying Case 1 x User manual This is Electronic Diamond Tester a portable electronic device for distinguishing real diamonds from other simulated stones. It is designed for quick, precise, and safe diamond testing, simple calibration for stones of various sizes. Come with One mini jeweler’s loupe with 60X magnification. With LED light and audio result indication. Accurate and reliable reading, with a metal alert, a testing platform for loose stones. The loupe built-in LED and fluorescence lights for normal illumination and currency detection, Easy focus adjustment. Can be used for jewelry, gemstone, document, and currency authentication.