Size: 25020050mm Material: plastic, metal, acrylic and glass Package list: 1head magnifier Features: -- Super bright LEDs: The lights are bright enough so that the headband magnifier is great for low light conditions. -- Adjustable headband: Head magnifier is one size fits for all and easy to adjust by simply turning the knob. -- High quality: It is made of high-strength plastic, acrylic, metal and glass. It is durable, shockproof and scratch-proof. -- Wide application: Ideal for hobbies, crafts, DIY home projects, reading, jewelry making, engraving, assembly or repairing small parts and more. prompt: 1. Due to the different display and lighting effects, the actual color of the item may be slightly different from the color shown on the picture. Thank you! 2. Please avoid 1-3cm measurement deviation caused by manual measurement.Wide Application: multi-power combined lens magnifications for different uses like reading, painting, modeling, repairing, sewing, soldering, and jewelry making. Material: plastic, metal, acrylic and glass. Battery: LR1130 button cell 3AAA battery (not included). Color: black red. Magnification: 1.5X, 3X, 6.5X, 8X, 8.5X, 10X.