The PO-55 MiniBrite Pocket Magnifier from Carson Optical is a compact 5x power slide-out aspheric magnifier with a protective plastic sleeve. The PO-55 is a more powerful version of our popular PO-25 .The PO-55 comes equipped with a built-in bright LED light. The sharp, distortion-free view is thanks to its crystal-clear acrylic, aspheric lens. The MiniBrite is a handy tool for those with low vision and is excellent for reading everyday items. The MiniBrite Pocket Magnifier is compact enough to fit in your shirt pocket or purse. Requires Three AAA batteries (not included). 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.