This LED lighted visor magnifier actually has 3 magnification portions. One portion is 2.2x and is always visible to both eyes. Inside the visor is a flipdown magnifier for both eyes. Finally there is the attached eye loupe, which can be positioned on either side using a screwdriver. This magnifier provides 2.2 to 4.8x magnification. Acrylic Lenses. Light uses 4 AAA Batteries which are not included.