HMJOY Diamond Tester + 200g/0.01g Mini Jewelry Scale＋30X Mini LED Magnifying, USB Powered, Adaptable to Different Operating Environments and Stable Operation of Dynamic Algorithms.

USB powered, adaptable to different operating environments and stable operation of dynamic algorithms.

• [Technical Upgrade] This HMJOY Diamond Tester uses dynamic algorithm technology, ensuring it operates normally under varying ambient temperatures. Environmental changes will not cause the device to malfunction.
• [Power Upgrade] The HMJOY diamond tester offers two power supply options: Type-C and 9V Power (includes a 1m Type-C cable and 9V battery). Opting for the Type-C power supply is highly recommended for optimal performance. PLZ NOTE THIS IS Non-Rechargeable !
• [Easy Use]The HMJOY Diamond Tester Pen is a user-friendly tool that eliminates the need for professional knowledge in diamond testing. By selecting the diamond size, and placing the tip of the tester on the gemstone, users can easily identify whether the stone is a genuine diamond or if it is made of glass, crystal, or cubic zirconia based on the results. The red light and beep emitted by the diamond tester indicate the presence of a diamond, making it a convenient and easy-to-use tool for anyone in need of quick and accurate diamond testing.
• [Jewelers Loupe] The 30X LED Jewelers Loupe with batteries is a versatile tool that can be used for a wide range of applications. Whether you are examining gems, coins, antiques, stamps, conducting readings, inspections, jewelry appraisals, studying rocks, watches, calligraphy, paintings, pursuing hobbies, collecting antiques, building models, working in the photo industry, testing electronic products, or simply using it for tasks in your home life or office, this Jewelers Loupe is an essential tool.
• [Jewelry Scale]: The Pocket Gram Scale Size is 5.2 x 2.99 x 0.79 inch, Gram Scale allows you to weigh a maximum capacity of a 200g and the minimum accuracy is 0.01g, to guarantee you an accurate and precise weighing session.