This fold out, portable LED Light Linen Test Focusing Loupe Magnifier features an 11.5x power 15mm lens. The dual lens design provides, clear, distortion-free viewing, and a super bright LED light illuminates the object you're focusing on. Marked in both inches and centimeters for measuring small objects and for ease of conversion, use the loupe magnifier for stitch counting; viewing coins, bills and stamps; seeing jewelry imprints, and so much more. Lightweight, and folds flat for storing when not in use. Includes durable plastic case for protection between uses. Requires three button cell batteries, which are included.