1. High quality material, durable enough for your daily using. 2. Left/right double eye patches magnifier with LED. 3. Bracket and headband is interchangeable to each other to ensure more comfortable and tight wearing. 4. Perfect for installing repairing camera, watch, and other electronics. 5. If this magnifier is used for long time, you may use two lens barrels alternately to eliminate visual fatigue and improve work efficiency. 6. Material: ABS+ Acrylic glass. 7. Color: black. 8. Magnification times:10X, 15X, 20X, 25X. 11. Battery : 2 x CR1620 button battery. 12. Package Contents: 1 x Watch repair magnifier 2 x 10X Lens 2 x 15X Lens 2 x 20X Lens 2 x 25X Lens 1 x English Manual