GW Security 32 Channel DVR 4-in-1 HD-CVI /TVI /AHD /960H Full 1080P Recording & Playback Surveillance Standalone DVR 1920 &times; 1080P HDMI/VGA Output with Pre-installed 12TB Hard Drive 32 Channel Full 1080p High Definition DVR ( Connect Up to 32 HD-CVI / HD-AHD / HD-TVI / 960H Analog Security Cameras) H.264 video compression. HD 19201080P live, record, playback, backup, and network remote access. Get Instant Live Video on your iPhone, Android, iPad, Tablets, PC & Mac. Setting up is so easy! Simply download the smartphone App and scan the DVR QR code 32 Video Input, HDMI & VGA output / 4 Audio Input & 1 Audio output / 8 Alarm Input & 1 Alarm output / 2 x RS485. Firmware Upgradable Pre-installed 12TB Hard Drive. 1 Year Warranty and Free Life Time Tech Support. (4x HDD bay, max 8TB of each, total 32 TB)