Features:- Left and right double eye patches magnifier/loupe with adjustable LED.- Totall has 4 pairs of replaceable lens with different magnifications.- LED light source and battery compartment are designed separately.- Eye patches can be moved leftwards and rightwards, and can rotate 180 degrees upwards and downwards.- Widely used in mechanical processing, electronic repair, jewelry appraisal, timepieces repair and miniature engraving, etc.Specifications:Size: 19*14.5*6CMMagnification: 10X 15X 25XMaterial: ABS + Optical lensBattery: 3*2 LR1130 batteries(Built in)Package Included:1 x Eyewear Magnifier1 x Headband6 x Interchangable Lens(3 Pairs)1 x User manualNotes:1. Manual measuring, please allow 1 ~ 3mm error,thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.