4ch 4K HD DVR Dahua XVR5104C-4KL-X, + 2 IP

• Dahua 4 Channel Penta-brid 4K Smart 1U Digital Video Recorder
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• H.265+/H.265 dual-stream video compression
• Supports HDCVI/AHD/TVI/CVBS/IP video inputs
• Max 6 channels IP camera inputs, each channel up to 8MP; Max 24Mbps Incoming Bandwidth
• Smart Search and Intelligent Video System

With the surveillance operators pursuing to HD/UHD which further adds the  storage and transmission cost, HDCVI H.265+/H.265 has been released to incredibly decrease the required bitrate while ensuring the video quality in  realizing high resolution surveillance such as 4MP/4K.

The Lite Series is designed for high cost performance and quality. The range offers a great solution for users facing budget constraints who both require quality and performance. And with the adoption of Smart H.265+/H.265, the series improves encoding efficiency, saving on bandwidth/storage costs, and significantly reducing the Total Cost of Ownership (TCO).

Smart H.265+ 
Smart Codec, H.265+ can reduce up to 90% bit rate and storage requirements compared with H.264 without having to invest in new  cameras.

HDCVI/AHD/TVI/CVBS Auto-detect
The XVR can auto recognize the signal of front-camera without any setting. It makes operation more friendly and convenient.

8MP Resolution
The XVR supports up to 8MP HD resolution (3840 x 2160) HDCVI camera and IP camera input.

Coaxial Audio/Upgrade/Alarm
The integrated design can reduce wiring troubles which makes it much more cost-effective and convenient for installation.

Long Distance Transmission
The HDCVI system supports long distance transmission over coaxial cable and UTP, max. 700m for 4K/4MP, 800m for 1080P and 1200m for 720P.

Smart Fan Design
The smart fan can automatically turn on or turn off according to the  CPU temperature. This function can effectively reduce the fan noise to  provide a better user experience.

Intelligent Video System (IVS)
With built-in intelligent video analytics, the XVR has the ability to detect  and analyze moving objects for improved video surveillance. The XVR provides optional standard intelligence at the edge allowing detection of multiple object behaviors such as abandoned or missing objects. IVS also supports Tripwire analytics, allowing the camera to detect when a pre- determined line has been crossed.

Face Detection
It is a typical technology being used in a variety of applications for searching or identification of individuals.

Smart Search
This function helps you  get more motion detect video during a short time through drawing a region when playback. It is very useful when an emergency occurs.