SPECS
Video/Audio Input
Audio Input:    
1-ch
Video Compression:    
H.264,H.264+
Analog Video Input:    
4-ch
Analog and HD-TVI video input:    
1080p25, 1080p30, 720p25, 720p30
IP Video Input:    
1-ch
Audio Compression:    
G.711u
Two-way Audio:    
1-ch RCA(2.0Vp-p, 1kΩ)
Video/Audio Output
HDMI/VGA Output:    
1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz
Encoding resolution:    
When 1080p Lite mode not enabled: 720p/WD1/4CIF/VGA/CIF
When 1080p Lite mode enabled: 1080p lite/720p/WD1/4CIF/VGA/CIF
Frame Rate:    
Main stream: 
When 1080p Lite mode not enabled:
For 720p stream access: 720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N)
When 1080p Lite mode enabled:
1080p lite/720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N)
Sub-stream: 
2CIF@6fps; CIF/QVGA/QCIF@ 25fps (P)/30fps (N)
Video Bit Rate:    
32 Kbps ~ 4 Mbps
Stream Type:    
Video/Video&Audio
Audio Output:    
1-ch RCA(Linear, 1kΩ)
Audio Bit Rate:    
64kbps
Dual Stream:    
Support
Synchronous Playback:    
4-ch
Network management
Remote connections:    
32
Network protocols:    
TCP/IP, PPPoE, DHCP, Hik-Connect, DNS, DDNS, NTP, SADP, SMTP, NFS, iSCSI, UPnP™, HTTPS
Hard Disk Driver
Interface Type:    
1 SATA Interface
Capacity:    
Up to 6 TB capacity for each disk
External Interface
Network Interface:    
1; 10M / 100M self-adaptive Ethernet interface
USB Interface:    
2 USB 2.0 Interfaces
General
Power Supply:    
12 VDC
Consumption:    
≤ 8 W
Working Temperature:    
-10 ºC to +55 ºC (14 ºF to 131 ºF)
Working Humidity:    
10% to 90%
Dimensions:    
260 × 222 × 45 mm (10.2 × 8.7 × 1.8 inch)
Weight:    
≤ 1 kg (2.2 lb)