Market construction
Market construction

DVR device EL822 8CH KGuard

KGuard

The DVR is one of the most powerful digital recording systems that stands for Digital Video Recorder, which converts analogue images sent from CCTVs to digital and hard disk storage. And yet, the capability of this device: The DVR can be simplestly introduced as an analog CCTV server. In the analogue CCTV system, the CCTV camera is connected to a dvr device and it will be possible to record, play back or transfer images.
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DVR device EL822 8CH KGuard

In fact, the dvr is an electronic device. CCTV images are transmitted via a cable attached to the input of the dvr device. These images are encoded and processed inside the dvr device. Of course, there is a new generation of HD-DVR DVDs on the market that are capable of supporting high resolution HD analog cameras. The features available on this type of recorders and their low cost make it difficult to eliminate the use of old DVRs. DVR or HD-DVR devices have multiple input and output ports, including audio output ports for connecting to DVRs. Speaker, Microphone Voice Input Ports, HDMI and VGA Video Transfer Ports for Display, CVBS Port for Television, LAN Bandwidth Ports for Network or Switch Device Connection, Alarm Output, Port USB to connect mouse or keyboard. Each of the inputs or outputs mentioned in all models are not the same and in some models, for example, there is no sound input port. Some of the main uses of the DVR device are as follows: ♦ Capture CCTV: DVR device can capture and re-check or back up CCTV images (by hard drive mounted on device) ♦ View CCTV images seamlessly: By connecting DVR to the display you can capture the image of all cameras View seamlessly on one page ♦ Setting Pictures and Recording: The DVR lets you capture images How to adjust to your liking. These settings will include light and color settings, type settings and recording timing ♦ Network connection or image transfer: With the LAN port on your DVR you can import your camera images into the computer network environment and Or view them over the Internet Rotating Camera Control: With the RS485 port on your DVR you can control rotating cameras or zoom cameras. Types:: Standalone Digital Video Recorder Standalone DVR recording and recording capabilities pictures PC-Based Digital Video Recorder is a PC-Based DVR recording and playback system based on the operating system. In fact, the operating system is installed on your computer. DVR devices are usually classified in several respects, but the most important aspects of their classification are the number of DVR image channels and the DVR recording quality. Considering the number of DVR image channels the following are: DVR 04CH device: Can be installed up to 2 cameras 4 DVR 08CH device: Can be installed up to 2 cameras 16 DVR 16CH device: Can be installed up to 2 cameras. Advantages and disadvantages of DVR device: Advantages of DVR2) Low cost; The point of the dvr receiver is to not use the internet and consequently not to interrupt the image. (1) Ease of use Disadvantages of using a DVR2) Large amount of cabling per analog CCTV, at least one wire is connected to the back of the dvr device. As a result, the number of cables increases. The wiring also limits the position of the CCTV installation. 1) Poor image quality Although technology has improved the image quality of the dvr device, its quality still cannot match the NVR. ) Unable to connect via CCTV should not be installed far away from the dvr device so that the signal will not be disturbed. Storage of flash drives or hard drives, considering the increased capacity and lower cost of this type of memory Today, DVR systems offer the ability to record more time than analog recorders (VCRs) that can store images on video cassettes.

Product Specifications

Dimensions (mm)
250 * 230 * 45
Video compression
H.264
Video input
8 BNC Inputs
Interface type
10M/100M"
Video / audio output
1 BNC
Power supply (v)
12
Number of image channels of Xuan DVR device
8
Playback Search
Fast Forward
Network type
PPPoE
Video output resolution
1024x768
Video format
NTSC / PAL
Audio output
1 RCA Output

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