?Portable Tester Pen? Diamond Tester Pen is a must have tool kit when you are going to a garage sale, flea market, swap meet, etc. Alternatively, its also a great tool to have when testing your own jewelry. ?Fast and Accurate Results?Diamond Tester Pen is design to deliver fast, accurate results. You will be able to know if something is fake in a matter of seconds. ?Simple Operation?Moissanite Diamond Tester and Diamond Tester is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector; place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. ?How to Use?Diamond Tester Pen comes with LED lights and audio indication. During a test, if the stone tested is a diamond, the LED lights will light up as the stone passes each test conducted by the Diamond detector. Once our Diamond Tester Pen has completed all of its tests, the pen will make a beep sound as well as show a row of fully lite LED lights. ?Application Range?Diamond Tester is Industrial Purpose, Circuit Board And Printing , Industry, Medicine, Gardening, Coin, Diamond,Stamp, Jewelry, Appraisal, Education, Geography, Home And Office.

Item Dimensions LxWxH: 7.48 x 3.15 x 2.36 inches. Power Source: Battery Powered. Material: Material. Batteries Required?: No. Brand: Zerone. Date First Available: May 29, 2020. Best Sellers Rank: #282,312 in Arts, Crafts & Sewing. Customer Reviews: 3.2 out of 5 stars 39 ratings 3.2 out of 5 stars. : B089DG2WJV. Batteries Required?: ?No. Batteries Included?: ?No. Included Components: ?Inc. Spout Height: ?1 Centimeters. Item Package Quantity: ?1. Installation Method: ?InstallationMethod. Power Source: ?Battery Powered. Material: ?Material. Finish: ?Finish. Product Dimensions: ?7.48 x 3.15 x 2.36 inches. Item Weight: ?8.9 ounces. Part Number: ?Zeroneho1ndeq07s. Manufacturer: ?Zerone.