Video/Audio Input
Audio Input:	|	4-ch
Video Compression:	|	H.265+/H.265/H.264+/H.264
Analog and HD-TVI video input:	|	4-ch,BNC interface (1.0Vp-p, 75 Ω)connection
Supported camera types:	|	Support HDTVI input: 3MP,1080P/25Hz, 1080P/30Hz,720P/25Hz, 720P/30Hz, 720P/50Hz, 720P/60Hz, Support AHD input: 1080P/25Hz, 1080P/30Hz, 720P/25Hz, 720P/30Hz Support CVI input: 1080P/25Hz, 1080P/30Hz, 720P/25Hz, 720P/30Hz Support CVBS input Supports Hikvision PoC camera Note: Do not unplug or plug the PoC camera if it is powered by the external power supply
Video Input Interface:	|	BNC (1.0 Vp-p, 75Ω)
Audio Compression:	|	G.711u
Audio Input Interface:	|	RCA (2.0 Vp-p, 1 kΩ)
Two-way Audio:	|	1-ch, RCA (2.0 Vp-p, 1 KΩ), (using the 1st channel of audio input)
Video/Audio Output
CVBS Output:	|	1-ch,BNC(1.0Vp-p,75Ω),resolution:PAL:704x576,NTSC:704x480
HDMI/VGA Output:	|	1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz
Recording resolution:	|	When 1080p Lite mode not enabled: 3 MP/1080p/720p/VGA/WD1/4CIF/CIF; When 1080p Lite mode enabled: 1080p lite/720p lite/VGA/WD1/4CIF/CIF
Frame Rate:	|	Main stream: When 1080p Lite mode not enabled:  For 3 MP stream access: 3 MP/1080p/720p/VGA/WD1/4CIF/CIF@15fps For 1080p stream access: 1080p/720p@15fps; VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) For 720p stream access: 720p/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) When 1080p Lite mode enabled:  3 MP@15fps 1080p lite/720p lite/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) Sub-stream:  WD1/4CIF@12fps; CIF@25fps (P)/30fps (N)
Video Bit Rate:	|	32 Kbps-6 Mbps
Stream Type:	|	Video/Video&Audio
Two-way Audio:	|	1-ch, RCA (2.0 Vp-p, 1 kΩ) (using the audio input)
Audio Output:	|	1-ch RCA(Linear, 1kΩ)
Audio Bit Rate:	|	64kbps
Dual Stream:	|	Support
Playback Resolution:	|	3 MP/1080p/720p/VGA/WD1/4CIF/CIF
Synchronous Playback:	|	4-ch
Network management
Remote connections:	|	128
Network protocols:	|	TCP/IP, PPPoE, DHCP, Hik-Connect, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP™, HTTPS, ONVIF
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
Serial Interface:	|	1; standard RS-485 serial interface, half-duplex
General
Power Supply:	|	48 VDC
Consumption:	|	≤ 40W(without hard disks)
Working Temperature:	|	-10 ºC to +55 ºC (14 ºF to 131 ºF)
Working Humidity:	|	10% to 90%
Dimensions:	|	315 × 242 × 45 mm (12.4 × 9.5 × 1.8 inch)
Weight:	|	≤ 1.16 kg (2.6 lb)