Carson's Lighted RimFree magnifiers are designed with comfort and clarity in mind. Available in two unique styles, their ergonomic, soft-grip handles promotes a natural hand position while featuring a crystal clear, acrylic 2x power magnifying lens. A side mount switch allows you to easily turn on the built in LED for low-light illumination. Enjoy a wide, distortion-free viewing area easing eye strain over extended periods of reading with the 4.7" x 2.7" rectangular version or the 90mm (3.5 inch) round version. The wide lens and unique rectangular shape of the rectangular shaped version was designed specifically for line by line reading of books, recipes, your favorite periodicals and so much more. These Rimfree magnifiers packs a wide range of features in to their lightweight, well-balanced design. Great for general use or for those in need of a magnifying lens that's as easy on the hand as it is on the eye. Both versions of the Lighted RimFree magnifiers come included with a protective pouch to protect the lenses from dust and scratching. The Lighted RimFree magnifiers also come included with 3 #389 button cell batteries. At Carson, we strive to make sure our customers are 100% satisfied with the quality of our magnifiers. We are so confident in our magnifiers that we back them with a Lifetime Limited Warranty! Carson will repair or replace your magnifier if it is found to have manufacturing defects in materials or workmanship. Please contact Carson for additional warranty details.