Samsung SDS-P3022 4 Channel DVR Security System 2 720 TVL high resolution weatherproof cameras 4 Channel 960H recording DVR with 500 GB surveillance class HDD installed. Easy Setup & WiFi Connectivity Anytime/Anywhere Viewing with Free app. Motion event & tampering alerts Clear, vivid video quality. 72 Wide Angle coverage Night Vision up to 82'. True Day and Night/IR cut filter