Features: Height adjustable magnifying glass. 5 replaceable lenses with different magnifications. LED light that can be rotated 60 degrees. Easy to replace 3 x 1.5V AAA batteries. Perfect use for reading and micro-work. Suitable for any head size. Note: Fully adjustable headband with soft padding, comfortable fit for any size head. The light source box can be used separately as a lighting source after being dismantled. The LED light can be rotated about 60 degrees, and the light source box with the battery compartment is detachable. 5 replaceable/interconvertible lenses with different magnifications marked in the middle. Widely used in mechanical processing, electronic repair, jewelry appraisal, watch repair and miniature engraving, etc. Specifications: Single lens amplification plate: 1.0x, 1.5x, 2.0x, 2.5x, 3.5x.. LED: 2 pieces. Battery: 3*1.5V AAA batteries Head circumference: adjustable. Lens material: high quality PC. Head material: environmental protection acrylic. Color: Black + White. Package Included: 1 x Head Mounted Magnifier with LED 5 x Lens 1 x User Manual