Feature: 1. 5MP HD LENS: 5MP lens, providing HD images with good color reproduction and clearer observation of objects. High resolution, low illumination without any auxiliary light source to display a clear color image. 2. HIGH COMPATIBILITY: Fixed focal lens high compatibility, can adapt to most security cameras. Aperture can be fixed and locked, more convenient. Professional manufacturing, excellent characteristics and high reliability. 3. UNIVERSAL FIXED FOCAL LENS: Universal fixed focal lens can objectively record and reflect the speed and rhythm of the subject's movement changes. Suitable for electronic microscopes closed circuit television security cameras, etc. 4. EASY TO USE: Prime lens is easy to install and remove, does not affect the installation and use of other accessories. Very convenient and practical, with its help, you will get better performance. 5. ROBUST AND DURABLE: Security camera lens is made of premium ABS material with strong and durable construction. HD lens can provide you with high definition images, excellent color reproduction, less noise and less distortion. Specification: Item Type: Fixed Focal Lens Material: ABS Minimum Aperture: F1.0 Wide Angle: 104 Degrees Focal Length: 4.0mm±5% Optical Back Focus: 3.94mm±0.2. Package List: 1 x Fixed Focal Lens