Feature:1. Adjustable zoom manually with 2.8-12mm focal-length, will make every detail very clear, not missing any information.2. 3MP high-definition image brings you a better and clearer visibility.3. 1 / 2.7 image format and 93-28.7 field of view, to give you a complete view and bring the whole situation under control.4. Supports M12 interface and F1: 1.4 relative aperture.5. Features with low distortion and high compatibility, which can adapt to most security cameras.Specification:Item Type: LensCondition: Brand newMaterial: Aluminum alloyColor: As pictures shownModel: CWBL2.8-12-3MP-CFocal Length (Focal-Length): 2.8-12mmRelative Aperture (Aperture D / f '): F1:1.4Interface (Mount): M12Image Format: 1 / 2.7Field of View (Field): 93-28.7Resolution: 3MPFlange BFL: 6.5-13.5.Package List:1 x Lens