2 ultra bright energy efficient led lights designed to last 10,000+ hours, the head lamp unit can be completely taken out to change batteries or used as flashlight. 5 Professional Interchangeable Magnifying Lenses, 11 Levels of Magnification, Magnify up to 6X Single plate magnification 1.0x, 1.5x, 2.0x, 2.5x, 3.5x; Bi-plate Lens Magnification: 3.0X, 4.0X, 4.5X, 5.0X, 5.5X, 6.0X. Lenses are Shaped Like Spectacles. Made of shatterproof crystal clear magnifying acrylic lens designed for people with low vision, hobbyists and professionals. 2 Way Adjustable Straps with Non-Slip Padding Two directional straps(vertical & horizontal) securely and comfortably position the magnifier on your head The Versatile Set for Your Home, Office or Workshop Portable and tough enough to take with you wherever you go. The durable construction of our lens and sturdy ABS frame means even kids can use it safely for science experiments.