The MagniFly (OD-65) from Carson is a hands-free, fully adjustable, table-top hobby magnifier that is ideal for fly-tying and makes for the perfect addition to any garage, basement or work space. The MagniFly offers a 2x power magnification with a 3.5x power bi-focal spot lens. The oversized, acrylic lens (4.0 inch diameter) is crystal clear and distortion-free. The MagniFly is LED lighted with 3 super bright LED bulbs that will last a long time. The MagniFly is powered by the included 4.5v AC/DC adapter or by 3 AAA batteries (not included). This magnifier attaches to most work benches, table-tops or desks using the included C-Clamp. The gooseneck feature of this magnifying glass allows users to position the lens where they need it most. This magnifier is ideal for hobbyists, arts & crafts, fly tying, inspection, soldering, small electronics, model building, needlepoint, sewing, reading books, newspapers, magazines, labels, coupons and other low vision tasks. The MagniFly is backed by Carson's limited lifetime warranty. At Carson, we strive to make sure our customers are 100 percent 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.