9 Hours Non-Stop LED Light. USB Rechargeable (no batteries are needed). Recharges in 30 minutes. Comes with a USB charging cord. 2 Brightness modes. MAKES CLOSE-UP WORK EASY with 5 Magnification settings- 1.0x, 1.5x, 2x, 2.5x, 3.5x. A 1.0x. Magnification power is a 100% increase in the magnified object's size. For example, a 1-inch object at 1.0x would appear to be 2 inches. PROTECTIVE STORAGE CASE - is sturdy, and keeps magnifying glasses kit organized. Great for travelling, and protects from damages. FITS OVER GLASSES - Can be worn over your prescription glasses for extra magnification. Total weight of the frame is 3 oz. HANDS-FREE MAGNIFIER FOR HOBBIES