[Upgraded Power]: You can use this diamond tester pen with USB cable and batteries.Simply connect the included USB cable to power the device.When we need to use the diamond tester pen outside, then we can use batteries.
[Easy Use] The hmkis Diamond Tester Pen is easy to use and does not require professional expertise to obtain results. Simply turn on the Diamond Tester Pen detector, select of size of the diamond and place the tip of the diamond tester on the gemstone, and if the stone is diamond, the red light on and diamond pen emits. As for glass,crystal, or cubic zirconia, the diamond tester will not emit a beep.
[Swift and Safe] The Professional Diamond Selector II is able to determine whether a diamond is real or fake in a quick and precise manner. It is crafted for rapid and safe diamond testing, with features including an LCD display, LED indicator, and large/mediu/small switches for testing diamonds.
[Adjust Size]:We have to choose the diamond size before using the diamond tester.Otherwise we may get the incorrect result.
[Jewelers Loupe] 60X Led Jewelers Loupe with batteries,for Gems, Coins, Antiques, Stamps, Reading, Inspection, jewelry appraisal, rocks, watches, calligraphy, paintings, hobbies, antiques, models, photo industry, electronic products, home life, and office.
[Incorrect Contact]: When we have incorrect contact, this diamond tester pen will have a flashing OR it will turn off. When you testing metal,skin,or something else.
[Package include]:1 x Diamond Tester Pen, 1X 60XJewelers Loupe, 1 x 9V battery,1x 1M USB Cabel,1 x Testing Platform,1 x User Manual