Hands-Free Head Mount Reading Magnifying Glasses, Lightweight High Clarity Magnifier Glasses VisorPerfect Magnifying Glasses for close work like sewing, crafts, beauty, needlework, knitting, cross-stitch, embroidery, painting and coins.Product Specification Type: Headband Magnifier Material: ABS, Acrylic Optical Lenses, Metal Accessories Color: Black White Magnification: 8X, 15X, 23X Lens Diameter: 20 mm/0.79 in Focal Length: 62mm/2.4in, 33mm/1.3in, 21mm/0.83in Unfolded Size: 17515555 mm/6.96.12.2 in Folded Size: 8515555mm/3.46.12.2 in Light Source: 2 LED White Lights Power Supply: 6*LR1130 Button Batteries (Included)Note 1. Do not place it directly in sunlight to avoid fire. 2. Do not use the magnifying glass to observe the sun to avoid burning glasses.Package Includes 1 * Headband Magnifier