The Lightcraft LED Headband Magnifier with Bi-Plate Magnification and Loupe is a versatile headband magnifier thats ideal for precision tasks and detail work. The three lenses can be used in different combinations to give a range of 1.0- 13.0x magnification. There are 15 levels of magnification within the range for you to use. The focal lengths vary from 35mm to 350mm. There is a built-in LED spotlight for further accuracy, helping to illuminate your work. It is adjustable and removable, with two brightness levels. Size: 21 x 30 x 6cm (8.3 x 11.8 x 2.4 inches) 15 levels of magnification between 1.0x and 13.0xFeatures built-in LED spotlightComfortable cushioned headband with lightweight visorAdjustable and removable LED spotlight with two brightness levelsBuilt-in rechargeable batteryIdeal for precision tasks and detail work Lightcraft LED Headband Magnifier with Bi-Plate Magnification and Loupe