Auto Calibration Portable Gemstone Tester LED Jewelry Tester Kit with Diamond Base and Detection Pen High Accuracy for Diamond Moissanite

Name: Professional and efficient gem detector Weight: 295 grams Colour: Black Power supply: 3 AAA batteries or AC adapter Battery life: 2.5 hours of continuous use on alkaline batteries Standby time distance: last measurement time 5 minutes Analog display size: 73.5mmX44.0mm Features: 1. Use metal detection to identify common gem types 2. Automatic calibration 3. Clear and readable analog panel display, easy to read 4. Portable tester that can be used anywhere Technical specifications Working temperature 18°C-27°C (65°F-80°F) Storage temperature-10° C-50° C (50° F-122° F) Products include: 1 x gemstone diamond tester(battery not included in package) 1 x power adapter 1 x diamond base 1 x Detector pen 1 x manual

• 【Optimal Efficiency】Our diamond test pen is designed to improve your efficiency, with an intuitive pointer area so you can work quickly and efficiently.
• 【Fast and Safe】This diamond selection tester is designed for fast, accurate and safe testing of diamonds. No harm to diamonds.
• 【Retractable Probe Tip】Thermal conductivity principle distinguishes diamonds, with automatic calibration function, retractable probe tip, minimum measurement of 0.01 carat.
• 【Accurate and Reliable Testing Tool】Professional diamond tester, designed to quickly and easily distinguish diamonds, moissanite and other man-made gemstones.
• 【Service】: We are very sorry for the shopping experience you have experienced. If you have any problems with the goods you received, please contact us and we will serve you 24 hours a day.