It comes with 5 interchangeable lenses with different magnifications and an LED light that can be rotated 60 degrees. The compartment is removable for easy battery replacement. High Definition Optics Optical lenses provide clear magnification. 5 lenses are packed in a box for easy portability and storage. Ideal for visual impairments and macular degeneration. It can easily replace 3 AAA 1.5V batteries. Get the best lighting amp headphones. Soft padding and adjustable knobs on the sides ensure a comfortable and snug fit. The light source housing with the battery compartment is removable and the light source housing can be used as a light source alone after being disassembled. Ideal for reading and miniature work such as machining, electronic repairs, jewelry appraisal, watch repairs and micro-engraving.