Features: *3.7mm button CCTV lens, F2.0, HD 1.3 Megapixel. *Good replacement for your old or broken 1/4" CCTV camera Lens, and the mount is M12 type. *It's easy to install and remove without affecting the installation and use of other accessories, after installing, your device will be as good as before. *With HD 1.3 Megapixel high definition image, good color reduction and small distortion. It provides wide and clear vision for your vidicon. *Mini lens, small size, with beautiful appearance. It is your cost-effective choice. Specifications: Type: 3.7mm Button Lens Resolution: 1.3 Megapixel Focal-Length(mm) 3.7mm Mount type M12*0.5 Format(inch): 1/4" Aperture F2.0 Horizontal Field: 80 Iris: Fixed IR filter: not included Operating Temperature: -20C~+80C Package Information: Package Size: Approx. 9 * 6 * 3cm / 3.5 * 2.4 * 1.2in Package Weight: Approx. 5g / 0.2oz Package List: 1 * 3.7mm M12 Button Lens