High Accuracy Diamond Tester Jewelry Diamond Detector Gem Diamond Tester Pen 30X 60X Illuminated Jewelry Eye Loupe Mini Led Foldable Magnifying Jewelry Distinguish Tool (Black Tester, Black Loupe)

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About High Accuracy Diamond Tester Jewelry Diamond

Features: Reliable and lasting material: These jewelry distinguishing tools are made of quality ABS, metal and acrylic lens, reliable, firm, colorfast for a long term using, not easy to fade or break during use. The fine workmanship will offer you a nice visual effect. Easy to use: You just need to install the battery (not included) before the test, then turn on the switch of fake diamond tester pen, adjust the lamp of the thermal conductivity meter to the highest position, wait for the ready lamp to light up, then observe the indoor temperature and the weight of the measured stone, find the corresponding number of lamps, and then start the test. The gem to be tested must be clean, dry and at room temperature. Specifications: Material: ABS, metal, acrylic lens Color: as pictures shown Jewelry loupe: 30X, 60X (built-in battery) Size of Jewelry tester: approx. 6.3 x 1.7 x 0.8 inches Size of Jewelry loupe: approx. 2.0 x 1.2 x 1.1 inches Working power supply: DC 9 V battery (not included) Package includes: 1 x Jewelry tester 1 x Jewelry loupe Note: Manual measurement, please allow slight errors on size. The color may exist slight difference due to different screen displays. The gem to be tested must be clean, dry and at room temperature. The words on the products not worked as trademark use, our trademark is Weewooday.