Features: 1.Durable Material: The single board lens are made of premium aluminium alloy material, which has strong strength and can be used for a long time. 2.Main Features: The aperture size is F2.8, the focal length is 2.8mm, and the pixel is 5MP, which brings you reliable use experience. 3.Universal Fitment: Reliable single board lens with M12 specification interface, which is suitable for most network cameras on the market. 4.Easy Installation: The installation method of the webcam replacement lens is very simple. There is a threaded interface at the end, which can be directly rotate mounted. 5.Fine Workmanship: Professional manufactured, exquisite workmanship with unique design, ensure stable performance and high reliability. Specification: Item Type: Single Board Lens_x000D_ Material: Aluminium alloy _x000D_ _x000D_ _x000D_ Resolution: 5Mega Pixel_x000D_ Image Format: 1/4in_x000D_ Focal Length: 2.1mm_x000D_ Aperture: F2.2_x000D_ Mount: M12 x P0.5_x000D_ Field Angle (D x H x V) 5% _x000D_ H 945%_x000D_ V 835%_x000D_ Optical Distortion: 3. 88mm(-1%) /4. 5mm(-3%)_x000D_ Maximum IMAGE CIRCLE: 4. 5mm_x000D_ BFL: 2.5mm_x000D_ MBF: 1.19mm_x000D_ TTL: 14.27mm_x000D_ Dimension: 1413.08mm_x000D_ Lens Construction: 2G2P+IR_x000D_ Operation:_x000D_ Iris: Fixed_x000D_ Focus: Manual_x000D_ Operating Temperature: -20~+80 PackageList: 1 x_x000D_ _x000D_ SingleBoardLens