Features: Discover the convenience of hands frees magnification with the head mount magnifying glasses. This set includes 4 lens for adjustable magnification. Crafted with plastic materials, our head mounted magnifying glass is lightweight. The comfortable designs ensures ease of use. It is perfect for various tasks. Suitable for individuals who require detailed work and observations, the head mount magnifying glasses is a practical tool. From repairs to manufacturing and even laboratory use, our head mounted magnifying glass adapts to different situations. It provide enlarged view for inspections and examinations. Experience the convenience of hands frees magnification. With the head mount magnifying glasses, you can save on cost while maintaining clear. Upgraded your efficiency today! Specifications: Material:ABS Four magnifications: 1.7X, 2X, 2.5times, 4.5times Power:2pcs AAABattery(not included) Size:Approx.230mm/9.05''x190mm/7.48''x105mm/4.13'' Package Includes: 1Set Head Mount Magnifiers note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color.