Cefrank Handsfree Magnifier Head Lamp - Light Weight - Illuminated LED Head Magnifying Glass Loupe (1.0X, 1.5X, 2.0X, 2.5X, 3.5X) INTERCHANGEABLE POWERFUL LENSES: 5 interchangeable lenses with 1.0X, 1.5X, 2.0X, 2.5X, 3.5X magnification, scratch-resistant acrylic reduces weight. Lenses are shaped like spectacles BRIGHT HEAD LIGHT : The light box comes with 2 bright white LEDs that are powered by 3 AAA batteries LIGHT WEIGHT & STURDY: Ultra Light Weight and Smart Interchangeable Headband Disige: Comfortable Wear and Easy to Use The Perfect Lens For Any Task: The 1X to 2.5X magnifying lenses are ideal for reading and handsfree applications like sewing and knitting, while the 3.5X lens is perfect for soldering, model building, coins, stamps, jewelry appraisal, watch and electronic repair Ideal for reading / viewing small prints map, newspaper, books, coins, stamps, electronics, jewelry, pesky pill bottles and more.