Function: 1. Head-mounted design: You can put a magnifying glass on your head like a pair of glasses, which can effectively prevent the magnifier from falling and reduce pressure on the bridge of your nose. You can also free your hands and concentrate on the objects you want to observe. 2. Long-lasting: This dental surgical magnifier can be used continuously for 5 hours, making it ideal for local lighting during dental procedures and more. 3. Adjustable Angle: The angle of light after this dental magnifier can be adjusted left and right down, and this part can be detached as a portable flashlight, which is very convenient to adapt to your usage habits. 4. Material: This surgical magnifier is made of a safe and lightweight material that is lightweight and non-slip, ensuring a strong fit and comfortable wear, reducing fatigue during long-term use. 5. Versatile: not only for dental use, but also for various purposes such as reading, drawing, observation, modeling, repairing, sewing, welding, jewelry making and other crafts, hobbies, etc. Specification: Item Type: 2,5x Head Mounted Magnifying Glass Material:ABS Usage: Dental surgery and other medical purposes, providing local lighting. Suitable for lighting, the requirements for human-machine relationship are high or scenes move frequently. It can also be used for various purposes: reading, drawing, observation, modeling, repairing, sewing, welding, jewelry making and other hobbies or crafts. Built-in lithium battery: 1000 mAh (supplied with built-in battery) Magnification: 2,5x Brightness of light source: 15000-40000 LX Continuous use time available: 5 hours How to use: 1. Control by turning the pupil spacing adjustment knob back and forth. The magnifying glass has a set working distance. Be sure to move back and forth to find an optional focusing distance. 2. Adjust the angle of the magnifying glass to see the object clearly. When you are not using the eyepiece, you can adjust the eyepiece to your line of sight. 3. Double-sided lock is used to attach the lens to get a good image, please do not adjust it. List of packages: 1 x Head Mounted Magnifying Glass 1 x Illumination Light 1 x Power Cord 1 x LED battery 1 x User Manual 1 x Glasses Clip 1 x Screwdriver 1 x Cleaning Cloth 3 screws 3 x Nuts 1 x Lanyard 1 x Light Wire Band 1 x Storage