SE MH1047L-2 Illuminated Dual Lens Flip-in Head Magnifier (Pack of 2) Magnifies from 1.9x to 8.3x with a fixed lens, a flip-down lens, and a flip-down loupe 2 bright dual white LEDs adjust vertically and horizontally Circumference of the head strap adjusts with a turn dial located on the back Pack of 2 head magnifiers For the serious hobbyist and the casual user