The PM-33 is a compact pocket magnifier with three magnifing powers. The Main lens is 2.5 X power and the two spot magnifiers are 5x power and 6x power. Easy to carry around in pocket or purse to use on fine print everywhere. Conveniently lighted for low light use.The PM-33 comes complete with 2 CR2032 button cell batteries for the light. 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.