REVO"s professional 16-channel surveillance system is perfect for small to large homes and businesses. REVO"s 5th generation 960H professional DVR continues to deliver commercial grade type features at affordable prices. EZLINK, Push notifications to most smartphones, email notification with attached video clip or jpeg image, video blind, and 12 channels of audio recording, as well as full DVR access using your smartphone to control PTZ cameras, search recorded video and monitor audio while you"re on the go, via REVO Mobile, a free app. Those are just a few of the features of this powerful, professional DVR. This particular system comes packed with 8 night vision cameras that can see up to 100 ft. in total darkness in crisp 700TVL high resolution. All cameras come with 60 ft. of REVO"s exclusive Quick Connect cable. This special cable handles power/video/audio in one simple RJ12 cable. The REVO cameras feature pass thru mounting adding extra security to your system by offering no visible wires when mounted to a wall or ceiling. Four of the cameras are indoor/outdoor bullet style cameras that are weather resistant and feature a complete metal case housing. The other four cameras are tinted indoor domes with a discrete housing. Advanced. Intelligent. Video Surveillance. REVO!