1. Multiple Magnification: This head mounted magnifier has 2 main lenses and 1 secondary lens, the main lens magnification is 1.5X and the secondary lens magnification is 7X, which can be combined to 1.5X, 3X, 8.5X,10X magnification. 2. LED Light Detachable Design: This head mounted magnifier is designed with a detachable LED light, the switch slides on and off, which is easy to use, and the direction of the LED light can be adjusted. 3. Head Circumference Elasticity Adjustment Wheel: This head mounted magnifier has a head circumference elasticity adjustment wheel, the head circumference size can be adjusted, which is suitable for people of all ages. 4. Forehead Protector Design: This head mounted magnifier is designed with a forehead protector for comfortable viewing and increased friction so that the lens is not easy to fall off, making it more secure to use. 5. Wide Application: This head mounted magnifier is perfect for close up accuracy work, freeing you to use your hands for reading, crafts, sewing, needlework, knitting, beading and hobbies. It is also great for inspection, soldering, repair, modeling, jewelry making or other professional use, making it a perfect gift to family and friends. Specification: Item Type: Headband Magnifier Glasses Material: ABS Magnification: 1.5X, 3X, 8.5X, 10X Switchable Battery: 2 x AAA Alkaline Dry Battery ( Shipped Without Battery ) How to Use: Remove the head mount magnifier, install it and use it. Package List: 1 xHead Mount MagnifierHead Circumference Elasticity Adjustment Wheel: This head mounted magnifier has a head circumference elasticity adjustment wheel, the head circumference size can be adjusted, which is suitable for people of all ages. Multiple Magnification: This head mounted magnifier has 2 main lenses and 1 secondary lens, the main lens magnification is 1.5X and the secondary lens magnification is 7X, which can be combined to 1.5X, 3X, 8.5X,10X magnification. Forehead Protector Design: This head mounted magnifier is designed with a forehead protector for comfortable viewing and increased friction so that the lens is not easy to fall off, making it more secure to use. LED Light Detachable Design: This head mounted magnifier is designed with a detachable LED light, the switch slides on and off, which is easy to use, and the direction of the LED light can be adjusted. Wide Application: This head mounted magnifier is perfect for close up accuracy work, freeing you to use your hands for reading, crafts, sewing, needlework, knitting, beading and hobbies. It is also great for inspection, soldering, repair, modeling, jewelry making or other professional use, making it a perfect gift to family and friends.