TIGERSECU's Super HD hybrid 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 TIGERSECU's HD Viewer. For best performance using H.265+ encoding, 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. | Unique heat sink fan technology enables the DVR to self-cool and prevent overheating, which means no fan noise and a quieter system. 4 channels of audio recording in addition to 16 channels of video recording. 3 monitor connections through HD-port/VGA/CVBS ports. DVR display resolution is 1920x1080 pixels, and works with TV and computer monitors with a minimum 1080p resolution. | Pre-installed with a new 4TB surveillance hard disk drive for 10+ days of continuous local recording at the highest resolution. Option to replace internal hard drive with up to two hard disk drives of 16TB each. Motion detection options allow you to record only when motion is detected to save hard drive space. H.265+ high efficiency video compression enables you to record more footage for the same storage space. | TIGERSECU security systems are backed by Lifetime Support and 2-year warranty provided by TIGERSECU. Warranty is supported within the 48 contiguous United States, Alaska, Puerto Rico, Hawaii and Canada, where replacement units will be provided with free shipping. However, free prepaid return shipping labels will be supplied only for customers located within the 48 contiguous United States. Customers located outside of the 48 states are responsible for returns shipping.