This lighted eyeglass style magnifier has a built-in rechargeable battery which can last for a long time after fully charged. It comes with 3 sets of lenses with different magnifications which are stackable and allows for a free combination. It has LED lights, an ideal tool for close working. Features: Providing 3 sets of different lenses, foldable design so you can combine them for more magnifications.(1.5X, 2.0X, 2.5X, 3.5X, 4.0X, 4.5X) Built-in rechargeable battery lasts for a long time. Equipped with 2 LED lights and the brightness can be adjusted. Eyeglass style provides hands-free magnification, more efficient and convenient. Acrylic optical lenses are scratch-resistant and durable as well. Widely applicable in mechanical processing, electronic repair, timepieces repair, jewelry work and many more. Specifications: Color: Black Material: ABS + Acrylic optical lenses Magnification: 1.5X, 2.0X, 2.5X, 3.5X, 4.0X, 4.5X Focal Length: 357mm, 274mm, 204mm, 158mm, 136mm, 125mm Lighting: 2 LED lights(Adjustable Brightness) Battery: 300mAh Rechargeable lithium battery Input Voltage: 110V-240V Charging Interface: Micro-USB Item Size: 177 * 172 * 60mm / 6.96 * 6.77 * 2.36in Item Weight: 102g / 3.59oz Package Weight: 278g / 9.8oz Package Size: 18.5 * 9.5 * 7.5cm / 7.28 * 3.74 * 2.95in Packing List: 1 * Eye Loupe 3 * Interchangeable Lenses(one attached to Eye Loupe) 1 * USB Cable 1 * Pouch 1 * Cleaning Cloth 1 * User Manual (English)