Features: 9 kinds of magnification to meet your different needs: 1.2X, 1.8X, 2.5X, 3.5X(Single lens), 3X, 3.7X, 4.3X, 4.7X, 5.3X, 6X ( double lens). There are 3 brightness levels which provide excellent light for illuminating detailed surfaces. Suitable for reading,painting,observing,modelling,repairing,sewing,soldering,jewelry making and other hobbies/crafts. The legs for the for head mount magnifier could be switch to an elastic headband, more comfortable wear. Made of high quality plastic and acrylic, durable, sturdy & long for time service. Specifications: Material: Plastic+Acrylic Magnification: 1.2X, 1.8X, 2.5X, 3.5X(Single lens) Magnification: 3X, 3.7X, 4.3X, 4.7X, 5.3X, 6X ( double lens) Battery: 3XAAA Battery( Not included) Lighting Source: 3 x LED ( 3 modes) Package Includes: 1x for Head Mount Magnifier note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.