Features 1,Compatibility: Premium single board lens is fit for all M12x0.5mm base IP camera that can better meet your needs. 2,Detail Information: The aperture size is F2.8, the focal length is 2.8mm, and the pixel is 5MP, which brings you reliable use experience. 3,Reliable Material: HD security webcam camera is made of precise aluminium alloy material, sturdy and durable, long service life. 4,Features: Compact structure and high precision, professional manufacturing, exquisite craftsmanship, practical and useful. 5,Simple Operation: Easy to install and disassemble, does not affect the installation and use of other accessories. Specification Item Type: IP Camera Lens Material: Aluminium alloy Chip Sensor: 1/2.7in Focal Length E.F.L: 2.8mm Rear Focal Length F.B.L: 2.85mm Aperture Size F No. : F2.8 Optical Total Length (mm) : Approx: 15.6mm/0.61in Field of View: Diagonal: 102° Optical Distortion: <1% Work Temperture (℃): -20℃-60℃ conventional Dimensions(mm): 14 x 15.6mm / 0.5 x 0.6in Interface: M12 Remarks: 4GandIR650 5Mega Pixel Package List 1 x IP Camera Lens Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.