The Carson CP-50 1.75x Solder Mag 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 handsfree soldering as well as sixteen 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.