HIKVISION HILOOK DVR 4 8 16 CH TURBO HD 1080P 2MP HDMI VGA CCTV DVR Recorder HiLook by HIKVision 4 Channel DVR-204G-F1 HD Multi Format 2MP DVR Metal Case4 ChannelNo HDDUnique Product ID: #AAA000558DescriptionConnection and view remotely within minutes via the Free app provided, no need for any port forwarding knowledge. FREE iPhone, iPad, Android and PC remote viewing software (Guarding vision for iPhone and Android and Guarding Expert for the PC). Existing analogue or HD cameras can also be connected to this DVR. 264+ encodingSelf-adaptive HD TVI / CVI / AHD / CVBS signal inputUp to 2.