Feature 1Compatibility: Premium single board lens is fit for all M12x0.5mm base IP camera that can better meet your needs. 2Detail Information: The aperture size is F2.8, the focal length is 2.8mm, and the pixel is 5MP, which brings you reliable use experience. 3Reliable Material: HD security webcam camera is made of precise aluminium alloy material, sturdy and durable, long service life. 4Features: Compact structure and high precision, professional manufacturing, exquisite craftsmanship, practical and useful. 5Simple Operation: Easy to install and disassemble, does not affect the installation and use of other accessories.SpecificationItem Type:IPCameraLensMaterial: AluminiumalloyChip Sensor: 1/2.7inFocal Length E.F.L: 2.8mmRear Focal Length F.B.L: 2.85mmAperture Size F No. : F2.8Optical Total Length (mm) : Approx: 15.6mm/0.61inField of View:Diagonal: 102Optical Distortion: <1%Work Temperture (): -20-60conventionalDimensions(mm): 14 x 15.6mm / 0.5 x 0.6inInterface: M12Remarks: 4G+IR650 5Mega Pixel .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x IPCameraLensNote1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.