1.5x, 2.5x and also 3.5x lenses

Uses 4 AAA batteries (batteries not included), Velcro Strap for a secure fit around head. Comes with 3 magnification lenses with special feature to allow layering of lenses to intensify magnification.
(1.8x, 2.3x, 3.7x & 4.8x)

Uses 2 AAA batteries (batteries included), Adjustable Strap for a secure fit around head. Comes with 4 magnification lenses with special feature to allow layering of lenses to intensify magnification.
(1.2x, 1.8x, 2.5x & 3.5x)