Features: Diameter: 90mm Magnification: 20 times Material:Metal,acrylic lens 1.No more arm fatigue with lightweight ergonomic handle that's comfortable to hold 2.Read in dark with 2 super bright energy-efficient LED lights, providing uniform and precise illumination under all conditions. 3.Best for viewing of fine details in books, newspapers, maps, coins, stamps, small electronics and jewelry. 4.Portable and tough enough to take with you wherever you go.