The Carson 1.75x power SolderMag Soldering Station Magnifier with 4.5x Power Spot is a very handy tool to have around for delicate craft work and professional work. This magnifier is a stationary unit that provides hands-free soldering as well as 16 bright LEDs for illumination. The basic magnifier is 1.75x but also includes a 4.5x power spot for seeing the smallest details. The magnifier includes a very useful soldering iron and spool holder. Power is provided by the included AC/DC adapter or you can use it with four optional AA 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.