Recording
Video Compression: H.265 Pro+/H.265 Pro/H.265/H.264+/H.264
Encoding Resolution: When 1080p Lite mode is not enabled:
4 MP lite/3 MP/1080p/720p/VGA/WD1/4CIF/CIF;
When 1080p Lite mode is enabled:
4 MP lite/3 MP/1080p lite/720p lite/VGA/WD1/4CIF/CIF
Frame Rate: Main stream:
When 1080p Lite mode is not enabled:
For 4 MP stream access:
4 MP lite@15fps; 1080p lite/720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N)
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 is enabled:
4 MP lite/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 Bitrate: 32 Kbps to 6 Mbps
Dual-Stream: Support
Stream Type: Video, Video & Audio
Audio Compression: G.711u
Audio Bitrate: 64 Kbps

Video And Audio
IP Video Input: 1-ch (up to 5-ch)
Enhanced IP mode on:
2-ch (up to 6-ch), each up to 4 Mbps
Up to 6 MP resolution
Support H.265+/H.265/H.264+/H.264 IP cameras

Incoming Bandwidth: 24 Mbps
Analog Video Input: 4-ch
BNC interface (1.0 Vp-p, 75 Ω), supporting coaxitron connection
HDTVI Input: 4 MP, 3 MP, 1080p25, 1080p30, 720p25, 720p30, 720p50, 720p60
*: The 3 MP signal input is only available for channel 1 of DS-7104HQHI-K1.
AHD Input: 4 MP, 1080p25, 1080p30, 720p25, 720p30
HDCVI Input: 4 MP, 1080p25, 1080p30, 720p25, 720p30
CVBS Input: Support
VGA Output: 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz
HDMI Output: 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz
Audio Input: 1-ch, RCA (2.0 Vp-p, 1 KΩ)
4-ch via coaxial cable
Audio Output: 1-ch, RCA (Linear, 1 KΩ)
Two-Way Audio: 1-ch, RCA (2.0 Vp-p, 1 KΩ) (using the first audio input)
Synchronous Playback: 4-ch

Network
Total Bandwidth: 72 Mbps
Remote Connection: 32
Network Protocol: TCP/IP, PPPoE, DHCP, Hik-Connect, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP™, HTTPS, ONVIF
Network Interface: 1, RJ45 10M/100M self-adaptive Ethernet interface

Auxiliary Interface
SATA: 1 SATA interface
Capacity: Up to 6 TB capacity for each disk
Alarm In/Out: N/A
USB Interface: Real panel: 2 × USB 2.0

General
Power Supply: 12 VDC, 1.5 A
Consumption: ≤ 8 W
Working Temperature: -10 °C to +55 °C (+14 °F to +131 °F)
Working Humidity: 10% to 90%
Dimension (W × D × H): 200 × 200 × 45 mm (7.9 × 7.9 × 1.8 inch))
Weight: ≤ 1 kg (2.2 lb)