Multi-mode Input Mode:
Pure analog: 4*1080P; 4*1080N；4*720P; 4*960H;
Pure network: 2*1080P+2*720P; 8*720P;
Analog + network: 4*720P (analog) + 4*720P (network)

4 Channel DVR Recorder Specifications:
* Main processor: Hi3521
* Video compression: H.264 (High Profile)
* Encode/Decode capacity: 4*AHD-H/1080P @ 15FPS/4*AHD-H/1080P @ 15FPS
* Audio compression: G.711A
* Intercom: support
* Recording Mode: manual, alarm, motion detection, timing
* Playback: 4ch
* Space Occupation: Video: 1080P 20-30G/day * channel; 720P 20G / day * channel;
* Backup mode: Network, U-disk, USB burner, SATA burner
* Video input: 4ch BNC
* Video output: 1ch VGA, 1ch HDMI
* Audio input/Output: 4ch RCA/ 1ch RCA
* PTZ control: 1*RS485, Support multiple PTZ protocols
* USB: 2* USB 2.0
* Wireless/3G: support
* Browser: Support multiple network browser (IE, CHROME, FIREFOX, SAFARI)

Package Included
* 1×4 Channel 1080P Digital Video Recorder, 1TB HDD Included
* 1×User Manual
* 1×Software CD
* 1×Power Adapter
* 1×Remote Control