- Self-adaptive HDTVI/HDCVI/AHD/CVBS signal input
- Up to 4 MP lite resolution for recording
- Supports real-time 1080p lite
- Long distance transmission over UTP and coaxial cable
- 4-ch synchronous playback
VIDEO/ AUDIO INPUT
| Analog video input | 8-ch | 
| BNC interface (1.0 Vp-p, 75 Ω), supporting coaxitron connection | |
| Supported HD TVI input | 4 MP, 3 MP, 1080p25, 1080p30, 720p25, 720p30, 720p50, 720p60 | 
| Note: The 3 MP signal input is only available for the first channels of DS-7104HQHI-K1 | |
| Supported AHD input | 4 MP, 1080p25, 1080p30, 720p25, 720p30 | 
| HDCVI input | 4 MP, 1080p25, 1080p30, 720p25, 720p30 | 
| CVBS input | Supported | 
| IP video input | 4-ch (up to 12-ch) | 
| Up to 6MP resolution | |
| Supports H.265+/H.265/H.264+/H.264 IP cameras | |
| Audio input/ Two-way audio input | 1-ch, RCA (2.0 Vp-p, 1 KΩ) | 
VIDEO/AUDIO OUTPUT
| HDMI/VGA output | 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz | ||
| Encoding resolution | When 1080p Lite mode not enabled: 4MP lite/3 MP/1080p/720p/VGA/WD1/4CIF/CIF | ||
| When 1080p Lite mode enabled: 4MP lite/3 MP/1080p lite/720p/VGA/WD1/4CIF/CIF | |||
| Frame rate | Main Stream | When 1080p Lite mode 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@12fps | |||
| - For 1080p stream access: 1080p/720p@12fps; 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: | |||
| 4 MP lite/3 MP@15fps; 1080p lite/720p lite/VGA/WD1/4CIF/CIF@25fps (P)/30fps (N) | |||
| Sub Stream | WD1/4CIF/2CIF@12fps; CIF/QVGA/QCIF@25fps (P)/30fps (N) | ||
| Video bit rate | 32 Kbps to 6 Mbps | ||
| Audio output | 1-ch, RCA (Linear, 1 KΩ) | ||
| Audio bit rate | 64Kbps | ||
| Dual Stream | Supported | ||
| Stream type | Video, Video & audio | ||
| Synchronous playback | 8-ch | ||
NETWORK MANAGEMENT
| Incoming bandwidth | 48 Mbps | 
| Remote connections | 64 | 
| Network protocols | TCP/IP, PPPoE, DHCP, Hik Cloud P2P, DNS, DDNS, NTP, SADP, NFS, iSCSI, UPnP™, HTTPS, ONVIF | 
ENCODING
| Video compression standard | H.265 Pro+/H.265 Pro/H.265/H.264+/H.264 | 
| Frame rate | 25fps(P)/30fps(N) | 
| Video bit rate | 32 Kbps to 4 Mbps | 
| Stream type | Video & Audio/Video | 
| Dual-stream | Supported | 
| Audio compression standard | G.711u | 
| Audio bit rate | 64 Kbps | 
| Synchronous playback | 8-ch | 
HARD DISK
| Sata | 1 SATA interface | 
| Capacity | Up to 6TB capacity for each disk | 
EXTERNAL INTERFACE
| Network interface | 1: RJ45 10M/100M self-adaptive Ethernet interface | 
| USB interface | Real panel: 2 × USB 2.0 | 
GENERAL
| Power supply | 12V DC | 
| Consumption (without hard disks) | ≤ 12W | 
| Working temperature | -10ºC to +55ºC (14ºF to 131ºF) | 
| Working Humidity | 10% to 90% | 
| Dimensions | 200 × 200 × 45 mm (7.9 × 7.9 × 1.8 inch) | 
| Weight (without hard disks) | Approximate 1 Kg (2.2 lb) |