•Interchangeable, Tilt-able, Dual Mount, Optical Grade Polycarbonate lenses
• Durable lightweight ABS construction, Adjustable Aim Removable Lightbox features (2) lifetime 5mm LED bulbs
•Billet Aluminum Visor Knob Locks, Knob Adjust Head Rig with Hypo-Allergenic TPR pad, fits all head sizes, Fits easily over Prescription or Safety glasses
•Full Set includes: 1.7X, 2.0X, 2.5X, & 3.5X Lenses, uses 2 AAA Batteries (NOT INCLUDED), Simple to use no directions included QO-USA Since 2008
Lens Power with working distance: 3.5X 4”, 2.5X 8", 2X 10”,1.5X 20” 1X 20”+. Posted working distance of lenses are approximate and can vary slightly with the user's vision, head size/shape.