GW Security 4 Channel 1080p HD-CVI Video CCTV 5204CVI High Resolution DVR 1080P / 720P Recording on all 4 Channels. Please note: This DVR only supports HD-CVI Cameras Supports VGA (Maximum HD 1080p) and HDMI (Maximum HD 1080p) output Get Instant Live Video on your iPhone, Android, iPad, and Tablets Setting up is so easy! Simply download the smartphone App and scan the DVR QR code 500GB Hard Drive Included. 1 Year Warranty and Free Tech Support