Compact and Portable: Designed for travel, this pocket spectroscope device is extremely small and portable. Whether you are exploring the gem market, embarking on a vacation, or attending a trade show, it can easily fit into your pocket or bag for easy carrying.Unparalleled Construction: The pocket diffraction spectroscope is carefully made of aviation Aluminum alloy to ensure durability and longevity. Combined with state-of-the-art optics, the tool guarantees excellent performance and accurate results.Axis-Specific Color: The gem dichroic mirror clearly displays the true color on each axis, allowing you to view them individually.Distinguish Similar Gems: The gem identification jeweler tool helps to distinguish gems of the same color.Durable and Reliable: The gem tester is made by professional craftsmen to withstand frequent use.Colour:Photo ColorMaterial:Aluminum alloyThe product batches are different, the appearance is slightly different, which does not affect the usePackage Contents:1x Identification inst ent1x Storage bagOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.