The Lighted Pendant Magnifier offers exceptionally strong 3x magnification in a portable, wearable design. It was made with the frequent user in mind. A compact & handy magnifier for people on the go. Perfect for fine print & close-up work. Turn on the crisp, white LED in low light, or any time you wish to improve clarity and contrast as you read. FEATURES 2" round optical quality lens, bright white LED that lasts 100,000 hours, neck strap with easy to use clasp, 3 micro cell batteries (included), 3.5 x .25 x 2