New Loupe 10X 15X 20X 25X LED Double Eye Jeweler Watch Repair Magnifying (10X 15X 20X 25X Double Eye)(Black) Left & right double eye patches magnifier/loupe with adjustable LED. 4 Pairs of replaceable lens with different magnifications to adapt to different objects. Left right double eye magnifying glasses magnifier loupe, with 2pcs adjustable LEDs to help it work in low-light conditions.Handsfree eyeglasses legs and headband are interchangeable to ensure more comfortable and tight wearing Eye patches can be moved leftwards and rightwards, and can rotate 180 degrees upwards and downwards. ALL loupes that have a decent zoom MUST be closer if you want bigger magnification. It's just physics.The Widely used in mechanical processing, electronic repair, jewelry appraisal, coin collect,timepieces repair and miniature engraving, etc. It Can NOT be used for reading books.