Features:_x000D_ _x000D_ 3X, 4X, 5X, 6X, 7X, 10X different magnifications, it can be combined into 21 kinds of combinations. _x000D_ Two LEDs with interchangeable cold and warm lights, fully illuminating the viewing area for easy recognition. _x000D_ Perfect head wearing magnifier, suitable for close up work like precision parts detection and watch repairing. _x000D_ Hands free magnifying glass, bracket and headband are interchangeable for ensuring more comfortable and tight wearing. _x000D_ Comes with one box of replaceable lens with different magnifications: 3X, 4X, 5X, 6X, 7X, 10X, meet your different demands. _x000D_ The focal length of the lens is 20-166mm, please refer to the instruction manual for the focal length corresponding to each magnification. _x000D_ _x000D_ Specification:_x000D_ Condition: 100% Brand New_x000D_ Material: Optical Lens + Plastic_x000D_ Battery: 3 * AAA Battery (Battery Not Included)_x000D_ _x000D_ Package list:_x000D_ 1 * Magnifying Glass (Battery Not Included)_x000D_ 1 * User Manual_x000D_ 1 * Cleaning Cloth_x000D_ 2 * Plastic Lamp Cover_x000D_ 1 * Box of Lens