TALOEYH - Professional Diamond Detector, Portable Electronic Diamond Tester Pen for Diamond, Sapphire, Ruby, Crystal, Agate, Jade, Gems Multi Gemstone Precious Stones Hardness Test Tool (Black)

• CLEAR LCD DISPLAY AND LED INDICATORS: Our diamond tester comes with an LCD display and LED indicators, allowing you to easily read accurate test results. Designed for fast, accurate and safe diamond testing, this diamond selector ensures that no diamonds are harmed during the testing process. Provides accurate results every time.
• OUTSTANDING PERFORMANCE: The Professional Diamond Detector Pen is easy to operate with buttons that are easy to see. No Professional Required. The diamond testing pen is easy to operate. Just turn it on, gently press the tip onto the stone and wait for the beep to know if it is real or fake. If it is a real diamond. A professional diamond tester will light up more than 9 and make an audible sound. No response means the stone is an imitation crystal or similar cubic zirconia.
• EASY TO HANDLE AND USE: Please gently place the tip of the pen vertically on the test stone. Please adjust it according to the size of the stone to be measured. Instrument up/down button, adjust the carat number displayed below according to the instrument, you don't need to set the exact carat number. However, please remember to switch on 1 green light for diamonds (>1.0 carat) and 2 green lights for diamonds (0.5 carat). For small stones (such as cuts or cones), switch on 3-4 green lights. (Please take special care not to touch the instrument's buttons during the test.)
• WIDE RANGE OF APPLICATIONS: The high-frequency sound during metal testing is due to the principle of operation of the tester pen, which relies on thermal conductivity to distinguish diamonds from fake stones. Since metals have a similar thermal conductivity to diamonds, they produce a high frequency sound during the test. Diamond testers can be used for gemstones, coins, antiques, stamps, reading, inspection and more. The Diamond Tester is designed to test diamonds quickly, accurately and safely.
• WARM TIPS: Please make sure to follow the correct testing procedures and avoid using the diamond tester on unsuitable objects (metal, skin, water, etc.) ) to ensure accurate test results. Any improper operation may affect the accuracy of the test. Before using the diamond tester, we must choose the diamond size. Otherwise we may get wrong results. We must touch the back panel when testing. Otherwise we may get wrong results. This diamond tester will blink or turn off when we touch the wrong one. When you test metal, skin or other things.

Product description Specification:Model: KD-MD1 Working Voltage: 3.3-4.2V Working Temperature: 10-40℃ Product Size: 158*45*21mm Adapter Voltage: 120-240V Data Cable Plug: Type-c Adapter Power: 1A/2A Adapter Output Voltage: 5V Model: 14500 Voltage: 3.7V Capacity: 800MAH Package List: 1 x Diamond Test Pen 1 x USB Cable 1 x Test Bench 1 x User's Manual Safety Warning Avoid using the diamond tester on unsuitable objects (metal, skin, water, etc.) to ensure accurate test results. Any improper operation may affect the accuracy of the test.