ZOSI 4CH HDMI Full D1 960H DVR Recording Home Security System 4PCS 960H 800TVL 42IR Outdoor Surveillance CCTV Waterproof Camera Kits with 500GB HDD Type: Kit Solution Video Input: BNC x 4 Video Output: BNC x 1, VGA x 1, HDMI x 1 Audio Input: RCA x 4 Audio Output: RCA x 1 Storage Capacity: 500GB HDD Bundled Camera Number: 4 Camera Horizontal Resolution: N/a