Features; Overview - Dahua NVR41-4KS2 Series User Manual

1.1 Overview

This series NVR is a high performance network video recorder. This series product supports local live
view, multiple-window display, recorded file local storage, remote control and mouse shortcut menu
operation, and remote management and control function.
This series product supports center storage, front-end storage and client-end storage. The monitor
zone in the front-end can be set in anywhere. Working with other front-end devices such as IPC, NVS,
this series product can establish a strong surveillance network through the CMS. In the network
system, there is only one network cable from the monitor center to the monitor zone in the whole
network. There is no audio/video cable from the monitor center to the monitor zone. The whole
project is featured by simple connection, low-cost, low maintenance work.
This series NVR can be widely used in areas such as public security, water conservancy,
transportation and education.

1.2 Features

AI Functions
AI functions are available on select models and vary model to model. The actual product shall
prevail.
● Different models have different AI functions. The actual product shall prevail.
● Face detection. It includes front-end smart detection and back-end smart detection.
● Face recognition. It enables users to compare the detected faces with the images in the face
database in real time.
● Human body detection. System activates alarm actions once human body is detected.
● People counting. It can effectively count the number of people and flow direction.
● Heat map. It can monitor the active objects in a specific area.
● Automatic number plate recognition (ANPR). It can effectively monitor the passing vehicles.
Smart Playback
● IVS playback. It can screen out and replay the records meeting the set rules.
● Face detection playback. It can screen out and replay the records with human faces.
● Face recognition playback. It can compare the face information in the video with the information
in the database and replay the corresponding records.
● ANPR playback. It can screen out the record with a specific car plate number or all the records
with car plate numbers.
● Human body detection playback. It can screen out and replay the records with specific human
bodies.
● Smart search. It includes smart functions such as searching by attribute and searching by image
1 Features
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User's Manual