Electric Diamond Tester Pen, Professional High Precision Diamond Gemstone Tester, Portable Jewelry Diamond Gem Tester Checker Tool for All Stones with LED Display & Buzzer (Battery Included)

Using TipsWhen testing, the probe of the diamond tester should be positioned at a 90-degree angle to the diamond.The probe of the device is very sensitive and must be handled with care. Always cover it with a protective cap when not in use.If the indicator light is dim, it means the battery is running low and should be replaced promptly.If the device will not be used for an extended period, please remove the battery.SpecificationMaterial: PlasticPower Supply: DC 9V Battery (included)Dimensions: 5.9 x 1.4 x 0.8 in Weight: 0.3 lbsPackage Content1 x Electric Diamond Tester Pen1 x DC 9V Battery1 x Manual

• High Precision Testing Kit: Electric Diamond Tester Pen is designed to accurately detect the authenticity of diamonds and measure the hardness of gemstones
• LED Display & Buzzer Design: Electric Diamond Tester Pen features an intuitive dynamic LED display and a built-in buzzer. When the LED lights up quickly to a value of 9 or higher, accompanied by a continuous beep, it confirms the authenticity of a genuine diamond. Otherwise, the stone is identified as synthetic
• Quick Identification: Diamond Gemstone Tester is easy to use. Just place the tip of the diamond tester on the gemstone, and a single tap will show you the result
• Lightweight & Portable: Diamond Gemstone Tester is compact and portable, powered by 1pc x DC 9V battery (included), allowing you to take it anywhere with ease
• Wide Application: Jewelry Diamond Tester Checker Tool is suitable for testing gems, coins, antiques, stamps, conducting readings, jewelry appraisals, studying rocks, and more, ideal for hobbyists and professional collectors