HikVision 24 Channels DVR Ds-7224hqhi-k2

Video/Audio Input

Audio Input: 1-ch
Analog and HD-TVI video input: 24-ch, BNC interface (1.0 Vp-p, 75 Ω), supporting coaxitron connection
Supported camera types: Support HDTIV input:4 MP, 3 MP, 1080p30, 1080p25, 720p60, 720p50, 720p30, 720p25 Note: The 3 MP signal input is only available for channel 1/2/3/4.
Support AHD input:4 MP, 1080p25, 1080p30, 720p25, 720p30
Support HDCVI input: 1080p25, 1080p30, 720p25, 720p30
Support CVBS input:PAL/NTSC
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 (1.0 Vp-p, 75 Ω), resolution: PAL: 704 × 576, NTSC: 704 × 480
HDMI/VGA Output: 1-ch,4K (3840 × 2160)/30Hz,2K(2560 ×1440)/60Hz, 1920 ×1080/60Hz, 1280 ×1024/60 Hz, 1280 ×720/60Hz, 1024 ×768/60 Hz
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@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:
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 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
Synchronous Playback: 16-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: 2 SATA Interfaces

External Interface
Network Interface: 1 RJ45 10M/100M/1000M adaptive Ethernet Interface
USB Interface: 1 USB 2.0 Interface & 1 USB 3.0 Interface
Serial Interface: 1; standard RS-485 serial interface, half-duplex

General
Power Supply: 12 VDC
Consumption: ≤ 55 W
Working Temperature: -10 ºC to +55 ºC (+14 ºF to +131 ºF)
Working Humidity: 10% to 90%
Dimensions: 380 × 320 × 48 mm (15.0 × 12.6 × 1.9 inch)
Weight: ≤ 2 kg (4.4 lb)