C610 Rectangular lighted illuminated magnifier with 12v power and a 2.125x 2" x 4" high quality optical lens that provides 4.5 diopter magnification Has a 12v power supply so there is not need to worry about changing batteries and the power cord easily detaches for easy use without the light. Comfortable ergonomic handle and wide field of view lens makes this an ideal reading and inspection and scanning magnifier. This is also useful for those with early stage AMD Macular Degeneration.