Diamond Moissanite Tester, Jewelry Selector, with Pointer Panel and Indicator Light, Retractable Probe, Gemstone Tester Tool with Professional Reading & Accuracy

automatic calibrationClear and easy-to-read analog panel displayPortable tester can be used anywhereUse Use metal detection to identify common gem typesSpecification:Product name: Professional and efficient gem detectorColour: BlackTechnical specificationsOperating temperature--18°C- 27°C (65°F- 80°F)Storage temperature---10°C- 50°C(50°F-122°F)Power supply: 3 AAA batteries or AC adapter (batteries not included in package)Battery life: 2.5 hours of continuous use using alkaline batteries (batteries not included in package)Standby time: 5 minutes from last measurement timeAnalog display size: 73.5mm X 44.0mmWeight: 295 gProducts include:1 x Gem Diamond Tester (battery not included in package)

• ✪【Accurate and Reliable Testing Tool】Professional diamond tester, designed for quickly and easily distinguishing diamonds, moissanite and other man-made gemstones.
• ✪【Power Supply】This multifunctional device comes with various power sources, making it the perfect jewelry tester. It can be powered by a USB cable and AAA batteries (batteries not included).
• ✪【Optimal Efficiency】Our diamond test pen is designed for your efficiency and features an intuitive pointer field so you can work quickly and efficiently.
• ✪【Retractable Probe Tip】Thermal conductivity principle distinguishes diamonds, has automatic calibration function, retractable probe tip, can measure as little as 0.01 carat.
• ✪【SAFE】This diamond selection tester is designed for fast, accurate and safe diamond testing. No harm done to diamonds.