Removable Dual bright white LEDs adjust vertically & horizontally that can be used as a free standing light sourceCircumference of the head strap adjusts with a turn dial located on the back for smooth and easy adjustments for different head sizesType : Head MagnifyingMaterial: Metal, Acrylic LensSize: 250*200*50mm2 AAA batteries (not included)Function :1. Magnification: 1.5X, 3X, 6.5X, 8X2. APPLICABLE SCOPE: Lightweight and comfortable head magnifier for everyday use, hobbyists, arts and crafts, jewelry design, model building, reading, inspection and other low vision tasks.Package includes:1 * LED Magnifying Glass Loupe ( 1.5X, 3X, 6.5X, 8X )