This TIGERSECU Super HD hybrid 8 channel security DVR is a full featured hybrid digital video recording system designed for use with 2MP (1080p) HD TVI, AHD, CVI, RS485 PTZ cameras and analog security cameras. For optimal performance, use this TIGERSECU DVR with TIGERSECU security cameras. Remotely access and play surveillance footage and control the security DVR with no contract or monthly fees with the TIGERSECU HD Viewer app. For optimal performance, 1 Mbps network upload speed is recommended for each 1080P camera. Bitrate settings can be adjusted in the DVR to accommodate slower network speeds. Mobile app requires iOS 9.3 or later and Android 9 or later. This DVR has a 16TB memory storage capacity, and comes pre-installed with a new 2TB surveillance hard disk drive for over 10+ days of continuous local recording at the highest resolution. Motion detection options allow you to record only when motion is detected to save hard drive space. No fan noise and a quieter system with our unique heat sink fan technology that enables the DVR to self-cool and prevent overheating. 4 audio inputs for audio recording on 4 channels (channels 1 to 4) in addition to 8 channels of video recording. 3 monitor connections through HD-port, VGA and CVBS ports. This TIGERSECU hybrid 8 channel security DVR is a full featured hybrid digital video recording system designed for use with 2MP (1080p) HD TVI, AHD, CVI, and analog security cameras. For optimal performance, use this TIGERSECU DVR with TIGERSECU security cameras. Remotely access and play surveillance footage and control the security DVR with no contract or monthly fees with the TIGERSECU HD Viewer app. For optimal performance, 1 Mbps network upload speed is recommended for each 1080P camera. Bitrate settings can be adjusted in the DVR to accommodate slower network speeds. Mobile app requires iOS 9.3 or later and Android 9 or later. This DVR has a 16TB memory storage capacity, and comes pre-installed with a new 2TB surveillance hard disk drive for over 10+ days of continuous local recording at the highest resolution. Motion detection options allow you to record only when motion is detected to save hard drive space. No fan noise and a quieter system with our unique heat sink fan technology that enables the DVR to self-cool and prevent overheating. 4 audio inputs for audio recording on 4 channels (channels 1 to 4) in addition to 8 channels of video recording. 3 monitor connections through HD-port, VGA and CVBS ports.