HD 3.0 megapixels sensor delivers clear, detailed images. Manual aperture control for precise exposure adjustments. CS mount for compatibility with standard CS lenses. Focal lengths available: 4, 6, 8, 12, 16, 25 mm for flexible viewing angles. Easy to attach and use; provides bright and clear images. Use scenarios: - CCTV security and surveillance in offices, shops, or homes. - Machine vision, inspection, and quality control on manufacturing lines. - DIY camera projects, robotics, and educational experiments needing adjustable focal length. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.