Perfect take-along magnifier for all those things in life you need to see bigger * Tough optical quality polycarbonate lens with scratch-resistant finish * 3 x 2 inch 1.5x main lens with 4x sub-lens increase viewed text to 150%/400% original size * Super-bright LED light - great for menus in dark restaurants or night-time map reading * Protective vinyl storage pouch. Powered by included 3v Lithium wafer batteries for up to 40 hours