Material:ABS, acrylic optical lens; portable and light weight, scratch-resistant, hands free design, foldable handle, durable enough for your daily using.The magnifier glasses with double magnification lens, Lens Magnification:large lens 5X, small lens 11X; Focal Length: 5X Lens 100mm/3.93 inch, 11X Lens 45mm/1.77 inch; This is a very practical magnifier in life,can provide you more clear and close view for tiny objects,convenient for people in poor eyesight or for close observation.Product Size: 170x90x26mm/6.7x3.54x1 inches; it can be used as a desktop magnifier by streching its holder and placing it one the desk, it also can be folded to serve as a hand-held magnifier to realize wider application range.Comes with 8 powerful and energy-efficient LED lights with 2 adjustable brightness level, even under low light conditions perfect for daytime and nighttime reading. It requires 3 AAA batteries or powered using the USB cable which can be plugged into the slot of a USB power source (batteris not included, USB cable included)The 2 in 1 magnifying glass suitable for reading, inspection, maps, newspaper, magazine, documents, books, photos, stamps, jewelry identification, antiques, hobbies, electricians, crafts, maintenance industry, watch repair, inspecting coins, fine print, painting, miniature engraving, model building,ect.Specifications:Material:ABS, acrylic optical lensLens Magnification:large lens 5X, small lens 11XFocal Length: 5X Lens 100mm/3.93 inch, 11X Lens 45mm/1.77 inchLens Diameter:large lens 75mm/2.95 inch, small lens 19mm/0.75 inchProduct Size: 170x90x26mm/6.7x3.54x1 inchesProduct Weight:120gLight Source: 8 LED lights2 Adjustable Brightness Levels: gentle and brightInput Voltage:110-240VOutput Voltage:5VFrequency:50HzPower Consunption:0.6wPackage Size: 200x96x32mm/7.87x3.78x1.26Package Weight:170gBattery Model: 3xAAA battery, or can be recharged via its own USB cablePackage includes:1x Magnifier1x USB Cable1 x Cleaning Cloth