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 Material: Aluminium alloy Resolution: 5Mega Pixel Image Format: 1/4in Focal Length: 2.1mm Aperture: F2.2 Mount: M12 x P0.5 Field Angle (D x H x V) 5% H 945% V 835% Optical Distortion: 3. 88mm(-1%) /4. 5mm(-3%) Maximum IMAGE CIRCLE: 4. 5mm BFL: 2.5mm MBF: 1.19mm TTL: 14.27mm Dimension: 1413.08mm Lens Construction: 2G2P+IR Operation: Iris: Fixed Focus: Manual Operating Temperature: -20~+80 PackageList: 1 x SingleBoardLens