Features: With fixed focal length, is adopted to make every detail clearer, without missing any information and avoiding danger successfully. High quality lens, can be used for most matching models, providing much convenience for you. Supports for high definition 3MP, making the image clearer to be seen, to show its good performance. 12M ultra high definition pixel lens, for surveillance camera system. Can bring you great visual experience. Universally used for camera replacement accessories, can keep your camera work well. Specification: Material: ABS plastic Color: Black Model: CW-BL0418-3MP-C Focal-Length: 4mm Aperture D/f\': F 2.0 Mount: M12 Image Format: 1/2.7 Field: 107x86x64 Dimension (mm): Approx. 14x15.2mm/0.6x0.6in Pixel (Mp): 3MP Back Focal Length: 6.3mm Package List: 1 x Camera Lens Package List 1With fixed focal length, is adopted to make every detail clearer, without missing any information and avoiding danger successfull 2High quality lens, can be used for most matching models, providing much convenience for you. 3Supports for high definition 3MP, making the image clearer to be seen, to show its good performance. 412M ultra high definition pixel lens, for surveillance camera system. Can bring you great visual experience. 5Universally used for camera replacement accessories, can keep your camera work well.