Diagonal field of view: 135 to 39 (Wide-Tele) field of view to cover and protect a wider area. For superior around-the-clock surveillance, you can count on the cameras 120 dB true Wide Dynamic Range (WDR) that gains better images in diverse lighting conditions, as well as 3D Digital Noise Reduction (3D-DNR) and True Day/Night (ICR). ***** *****Power over Ethernet (PoE) &H. 265+ Compression-With H. 265+ compression, you can store more information using fewer hard drives, which allows you to do more with less, and dramatically reduce file sizes with this latest video compression format. PoE allows