Built-in 2.8-12mm Varifocal lens with wide view angle, 2D/3D Norise Reduction. It's vandal proof and weatherproof housing makes it usable for both indoor and outdoor. It is also easy to install. 4 IN 1 (5MP TVI/AHD, 4MP CVI, CVBS (960H)) HD technology produces Video with Sharp and Detailed Images.