The Carson LED Lighted Round 7X Magnifier is an aspheric optical quality lens that is distortion-free. Lightweight and easy to hold for people with arthritis, the bright LED light and 1.5-inch diameter 7X power acrylic lens is helpful for reading small print. The Carson LED Lighted Round 7X Magnifier has an aspheric lens that allows for increased magnification and image clarity while greatly reducing distortion. This lightweight handheld magnifier has a 7X power, unbreakable, scratch-resistant, shatterproof lens. The super bright LED lights provide illumination for users to read in a dark or dimly lit area. The easy-to-slide-on/off raised light switch allows users with limited finger dexterity to easily turn on and off the LED light. This lighted 7X magnification aid helps users to reduce eye fatigue and strain. The Carson LED Lighted Round 7X Magnifier is lightweight for users to easily carry with them for reading small print. Carson LED Lighted Round 7X Magnifier Instructions Carson LED Lighted Round 7X Magnifier Specifications: Magnification: 7X. Lens diameter: 1.5 inches. Overall dimensions: 1.6 inch diameter, 1.2 inch wide, 4.8 inches long. Weight: 0.091 lbs. Power: Requires 3 AAA batteries (not included). Lighting: Bright LED light provides up to 100,000 hours of light. Model: SV-70.