: Ergonomic glasses frame, comfortable to wear and better fixation. Optical lens, high definition The body is made of lightweight material, easy to carry Clear imaging, eliminate glare, not dazzling Adjustable knob for comfortable focal length Product parameters : Binocular Zoom Magnification: 3~6X Weight: 58 grams Lens material: glass optical lens Size: 160*150*45mm Frame material: ABS Purpose: Long Range Dynamics Package Included: 1 x magnifying glass (other demo products not included) Notice: 1. Due to manual measurement, please allow 2-3% error. 2. Due to different monitors, the color may be different, please understand. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!