An LED lit linen tester which is compact and portable. This magnifier is an 10x power 15mm diameter lens. The dual lens eliminates distortion when viewing documents or lab work, the bright LED light illuminates the object from above. Units of measure are clearly marked in inches as well as centimeters for measuring small objects and converts from domestic to international metrics. This portable loupe magnifier is perfect for stitch counting but can also be used for color processing. Folds flat for storing when when in the field. Includes durable plastic case powered by 392 batteries which are included.