TIGERSECU Super HD 1080P 8 Channel DVR Security Recorder Without Hard Drive, Hybrid 6-in-1 CCTV DVR Recorder Compatible with 2MP and 5MP TVI, AHD, CVI, Analog, RS485 PTZ and IP Cameras

Universal security DVR designed for use with 2MP/5MP HD TVI, AHD, CVI, RS485 PTZ, analog and IP cameras. For optimal performance, use this DVR with TIGERSECU security cameras.
This DVR does not include a pre-installed hard disk drive. For continuous local recording, install up to surveillance hard drives of up to 16TB. Compatible with WD Purple, Toshiba and Seagate surveillance hard drives. This DVR does not work with external hard drives.
Remotely access and play surveillance footage and control the security DVR with no contract or monthly fees with TIGERSECU' s HD Viewer. For optimal performance, 1 Mbps 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. Compatible with iPhone and iPad.
High efficiency video compression enables you to record more footage for the same storage 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. 1920 x 1080 pixels DVR display resolution. Works with TV and computer monitors with a minimum 1080p resolution.