GNA-4LED A slightly smaller more powerful version of the GNA-5:ED. The GNA-4LED Goose neck desktop magnifier with modern desktop base and large 4" inch 2.5x lens with 5x bifocal, with dual LED illumination makes it an effective work and hands free magnifier this design is ideal for reading, inspection, sewing, soldering, threading, polishing also coin sorting, just hold coin under lens for quick sorting and identification. Uses/requires 3 "AAA"batteries