Item Weight:1 Grams Material:synthetic-fiber Hands-free temples and headbands are interchangeable to ensure a more comfortable and tight fit stylish, comfortable, lightweight ergonomic frame, soft padding for all head sizes. Magnifiers are suitable for use in any location, such as homes, offices, workshops and laboratories. A variety of tasks are available, ideal for welding, model making, coins, stamps, identification, watches and electronic repairs. Technical specifications: Material: plastic, acrylic optical lens Size: 147 123 60mm Battery: 3 batteries (not included) Magnification: 8 times, 10 times, 15 times, 20 times, 25 times The product contains: 5 x lens 1 x glasses frame 1 x elastic headband 1 x user manual 1 x box Wearable Adjustableb5 interchangeable lenses b: A variety of lens options (8X 10X 15X 20X 25X) to meet your needs suitable for all ages, easy to use. b bErgonomic construction gives it a good balance and a comfortable grip, make you feel not too heavy or too light. bWidely used b: suitable for fine and detailed models and s, crafts, magnifiers, engraving, sewing, knitting, eyelashes, reading, repair or electronic components. billuminator b: The magnifier head has 2 lights that can be used to provide good illumination with 3 batteries (not included). bThe stand and headband are interchangeable b: the hands-free temples and headband are interchangeable to ensure a more comfortable and tight fit they are lightweight and do not feel any burden or discomfort.