4 (+2) channel video recorder NVR301-04S3 Uniview

More detailed technical description on the manufacturer's website.: Uniview

Uniview NVR301-04S3 is a video surveillance device that offers high-quality video and audio recordings.
It is suitable for small to medium-sized surveillance systems with 1 to 4 or 6 IP cameras. Connecting 6 cameras is possible by disabling specific functions.
In addition to providing basic video recording continuously and on motion, the device also offers several additional features.

Here is a detailed description of its key features:

• Video/Audio Inputs:
  • 1x LAN (IP): 4 channels + 2 additional IP channels when video analytics is disabled
  • audio input is provided only together with the video signal from the camera
    
    
• Network Parameters:
  • Incoming Data Bandwidth: 64 Mbps
  • Outgoing Data Bandwidth: 48 Mbps
  • Remote Users: up to 128
  • Protocols: TCP/IP, P2P, UPnP, NTP, DHCP, PPPoE, HTTP, HTTPS, DNS, DDNS, SMTP, RTSP
• Video/Audio Output:
  • HDMI/VGA Output: 3840x2160/30Hz, 1920x1080/60Hz
  • Recording Resolution: 4K/5MP/4MP/3MP/1080p/960p/720p/D1/2CIF/CIF
  • Audio Output: 1 channel, 3.5mm (RCA)
  • Audio Compression: G.711A, G.711U

• Playback:
  • Synchronous Playback: up to 4 channels
• Hard Disk:
  • SATA: 1 SATA interface
  • Capacity: Up to 8TB for each disk
• Video Content Analysis (VCA) Features:
• Intrusion Detection:
• This function allows setting specific zones in the image, and if a person enters these zones, the system reacts and performs predefined actions - recording, sound signal, alarm, "push notification" to the mobile phone, etc.
  
• Defined Line Crossing Detection:
• Detects the passage of an object over a predefined line.
• Entry/Exit in a Defined Zone:
• This function determines whether an object enters or exits a zone defined in advance.
• Audio Detection:
• Identifies and responds to audio signals.
• Ultra Motion Detection (UMD):
• UMD uses intelligent algorithms to accurately identify and classify movement on the screen. This function helps determine whether the movement is a person, a vehicle, or another type of object. It reduces false alarms that may arise from natural movements.

• External System Connections:
  • Network Interface: 1 RJ45 10M/100M
  • USB Interface: 2 x USB2.0
• Power Supply:
  • Power: 12V DC (included)
  • Power Consumption: ≤5 W (without HDD)
    
    
• Working Illumination:
  • Operating Temperature: -10°C to +55°C
  • Operating Humidity Level: ≤ 90% RH (without condensation)