Samsung SDS-S3042 4 Channel DVR Security System 4 720 TVL high resolution weatherproof cameras Easy Setup & WiFi Connectivity, Anytime/Anywhere Viewing with Free app 72 Wide Angle coverage, Night Vision up to 82', True Day and Night/IR cut filter 4 Channel 960H recording DVR with 1TB surveillance class HDD installed Motion event & tampering alerts, Clear, vivid video quality