Material:ABS, acrylic optical lens, metal accessories; durable and impact resistant, lightweight shell frame. The Headband Magnifying Glass with 4-level magnifications:1.5X, 3X, 6.5X, 8X; to meet your different magnifying needs. Size:250x200x50mm/9.84x7.87x2 inches; head-mounted, double light, double-layer lens design. Ideal hands-free magnification tool for improved efficiency while performing detailed tasks. Comes with 2 powerful and energy-efficient LED lights, even under low light conditions perfect for daytime and nighttime reading. It requires 2 AAA batteries. Perfect for electricians, sewing, crafts, painting, reading, knitting, soldering, model building, coins, stamps, jewelry identification, watch and electronic repair, machining, miniature engraving, print inspection, dentistry, etc. Material:ABS, acrylic optical lens, metal accessories Lens Magnification:1.5X, 3X, 6.5X, 8X Product Size:250x200x50mm/9.84x7.87x2 inches Package Size: 265x205x65mm/10.43x8x2.56 inches Product Weight:180g Package Weight:298g Light Source: 2 LED lights Battery Model: 2 x AAA battery Features: 1.double light design 2.with 4-level magnifications 3.head-mounted design 4.double-layer lens design 5.hands-free Package Contents: 1x Headband Magnifier Visor