DS-7204HTHI-K1 4K H265+ SERIES TURBO HD DVR Video Input and Transmission Self-adaptive HDTVI/HDCVI/AHD/CVBS signal input  Up to 2-ch 8 MP IP cameras input  8 MP HDTVI video input and live view  Defogging function enabled for the supported analog cameras  Long distance transmission over UTP and coaxial cable: max. 800m for 1080p and 1200m for 720p HDTVI signal Compression and Recording  H.265+/H.265/H.264+/H.264 encoding  Connectable to H.265+/H.265/H.264+/H.264 IP cameras  Full channel recording at up to 8 MP resolution Video Output Simultaneous HDMI/VGA output  HDMI output at up to 4K (3840 × 2160) resolution  Separate CVBS output Storage and Playback  1 SATA interface (up to 8 TB capacity per HDD)  4-ch synchronous playback  Smart search for efficient playback Smart Function  Supports multiple VCA (Video Content Analytics) events for both analog and smart IP cameras  Supports line crossing detection and intrusion detection of all channels, and 2-ch sudden scene change detection  VCA information overlay in live view and smart playback  VQD (Video Quality Diagnostics)
Audio Input:		4-ch, RCA (2.0 Vp-p, 1 KΩ)
Video Compression:		H.265+/H.265/H.264+/H.264
Analog Video Input:		4-ch BNC interface (1.0 Vp-p, 75 Ω), supporting coaxitron connection
Analog and HD-TVI video input:		8 MP, 5 MP, 4 MP, 3 MP, 1080p30, 1080p25, 720p60, 720p50, 720p30, 720p25
IP Video Input:		2-ch Up to 8 MP resolution,Supports H.265+/H.265/H.264+/H.264 IP cameras
Audio Compression:		G.711u

Video/Audio Output
CVBS Output:		1-ch, BNC (1.0 Vp-p, 75 Ω), resolution: PAL: 704 × 576, NTSC: 704 × 480
HDMI/VGA Output:		VGA: 1-ch, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz HDMI: 1-ch, 4K (3840 × 2160)/30Hz, 2K (2560 × 1440)/60Hz, 1920 × 1080/60Hz, 1280 × 1024/60Hz, 1280 × 720/60Hz, 1024 × 768/60Hz
Frame Rate:		Main stream: 8 MP@10fps, 5 MP@20fps, 3 MP@18fps 4 MP/1080p/720p/WD1/4CIF/VGA/CIF@25fps (P)/30fps (N) Sub-stream: WD1/4CIF/CIF@25fps (P)/30fps (N)
Video Bit Rate:		32 Kbps to 16 Mbps
Stream Type:		VidVideo, Video & Audioeo, Video & Audio
Two-way Audio:		1-ch, RCA (2.0 Vp-p, 1 KΩ) (using the 1st audio input)
Audio Output:		1-ch, RCA (Linear, 1 KΩ)
Audio Bit Rate:		64 Kbps
Dual Stream:		Support
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 8 TB capacity for each disk

External Interface
Network Interface:		1, RJ45 10M/100M/1000M self-adaptive Ethernet interface
USB Interface:		Front panel: 1 × USB 2.0 Rear panel: 1 × USB 3.0
Serial Interface:		RS-485 (half-duplex)
Alarm Input:		4/1

General
Power Supply:		12 VDC
Consumption:		≤ 15 W
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:		≤ 1.5 kg (3.3 lb)