4CH SD Car WIFI Router HD Hidden MDVR for School BUS CCTV System

Item

Description

OS

Linux

Graphics Operation Interface

System parameters can be set through external display and remote controller

Security Management

2-level management for user password, administrator password, supporting encrypted transmission

Video and Preview

Video Input, Output

4-channel video input, 1channel video output; 1.0Vp-p, 75Ω

OSD

Character superposition function, information superposition of time and date, device ID and GPS, etc.

Video Compression Format

Compression coding. Applying Hisilicon hi-performance processor.

Dual-Stream

Supported

Preview Function

Preview of 1-channle, 4-image stitching, supporting full screen triggered by event and switching of stitched images

Frame Rate

PAL: 100 frames/s, up to 25 frames/s per channel; NTSC: 120 frames/s, up to 30 frames/s per channel

Resolution

720P/D1/HD1/CIF

Quality

Grade 1 to grade 5 for selection (descending)

Bit Rate

CIF: 256Kbps ~ 1.5 Mbps, 8-level bit rates for selection

HD1: 600Kbps ~ 2 Mbps, 8-level bit rates for selection

D1: 800Kbps ~ 3Mbps, 8-level bit rates for selection

Audio

Audio Input, Output

4-channel input, 1-channel output

Compression Format

G.726 coding

Recording

Storage Medium

Supporting dual SD card, which supports up to 32G

File Format/ System

ASF/FAT32

Video Strategies

Recording at startup by default, supporting timed recording, recording triggered by alarm and event, as well as manual recording

Video Search

Searching by time, type, storage device and other conditions

Video Playback

Supporting playback on local device, supporting synchronous playback of up to 4 channels and analysis on vehicle information in the files

Supporting fast forward, fast backward, play and pause, supporting fast forward and fast backward at 2x, 4x, 8x and 16x speed, supporting file play from selected time

Alarm

Alarm Input/ Output

6-channel on/off signal alarm input, 2-channel on/off signal alarm output

Alarm Recording

Prerecording function 15 seconds before alarm, duration of recording after alarm can be adjusted from 30s ~ 30min

Storage Space Alarm

Supporting settings for alarm of storage space

Function Alarm

GPS overspeed alarm, acceleration alarm, motion detection alarm

Communication Ports

RS232/485, RJ45 10M/100M self-adaptable network interface

Wireless Transmission (Optional)

Embedded 3G wireless transmission module, WCDMA, CDMA2000, TD-SCDMA system for selection;

Compatible with GPRS, EDGE;

Embedded Wi-Fi module;

GPS (Optional)

Supporting external GPS

Remote Data Transmission Channel Selection

Supporting 3G, Wi-Fi data channel transmission, supporting Wi-Fi priority transmission strategy; supporting remote downloads of back-end recording strategies;

PTZ Control

Supporting PTZ control realized by local ad client software;

Parameter Configuration

Supporting parameter configuration functions for mobile DVR coding channel;

G-Sensor

Embedded

System Upgrading

Supporting SD card and remote upgrading

Power Supply and Power Consumption

Power Supply

1. ACC on/off

2. Delayed shutdown

3. Timed on/off

Input Voltage

DC:+8V ~ +36V

Output Voltage

+12V@4*0.5A; +5V@0.5A

Power-off Protection

With patented UPS power supply continuous working technology, it can work for 3~5 seconds after external power supply is cut so that the intactness of video data can be kept upon sudden power failure

Power Consumption

<10W in normal operation; <0.5W in standby mode

Operating Environment

Temperature

Normal: 0℃ ~ +60℃; upon hard drive preheating: -25℃ ~ +60℃

Humidity

10% to 95%

Dimensions

141(L)×133(W)×43(H)mm