LumiCraft is a wearable 2x power “hands-free” lighted neck magnifier with a 4x power bi-focal spot lens. It’s clip-on light prevents eyestrain and provides bright, shadow less illumination. Built-in battery operated light. This hands free lighted neck magnifier is excellent for sewing, knitting, crochet, quilting, embroidery, tatting, needlepoint, needlecrafts, weaving, beading, weaving, cross stitching and reading.The neck magnifier requires 2 AA batteries(not included). Dimensions:8"x5"x5".Lens Size: 4.3 Inches