Clear Magnification: The 4.72 x 1.97 inch large eyepiece allows for clear viewing of the magnified image, and the 5 lenses have different magnifications of 1.0X, 1.5X, 2.0X, 2.5X, and 3.5X. Multiple Lenses: Allowing for independent use, the lenses can work in combination in the 2 slots for higher magnifications of 3.0X, 4.0X, 4.5X, 5.0X, 5.5X, 6.0X, etc., very useful. Great LED Headlight: Equipped with 8 LED lights, the detachable headlight can provide you with 3 lighting modes of warm light, cool light, and mixed light, and the light is also rotatable. Comfortable to Wear: The inner foam makes the head-mounted magnifier more comfortable to wear. There are two knobs on the left and right sides, which can freely adjust the entire magnifier frame up and down to the angle you want to better fit your head. Wide Range of Uses: The LED magnifier is ideal for close and precise work, freeing your hands, ideal for reading, crafts, sewing, needlework, knitting, beading, and so on.