Do not place the magnifying glass in direct sunlight to avoid fire. Do not use the magnifying glass to observe the sun line to avoid burning your eyes. Please use a soft cloth or lens cleaning paper to clean the lens The headband magnifiers are suitable for hobbies, crafts, model making, reading, inspection, soldering, jewellery making and other tasks 3 LED headlights can adjust the lighting direction to get a more precise lighting angle The inside of the headband is made of soft foam. With the headband adjustment dial you can adjust the appropriate size (pull to adjust, press to lock). Perfect for different head sizes The magnifying glass has a shatterproof, clear acrylic lens design, high resolution and lightweight. This makes the heads not feel heavy. 3 magnifications for your different needs: 1, 5x, 2x, 8x, Manufacturer: huiouer