4CH AHD 720P HDD School Bus Mobile DVR

Device parameters

Performance index

Model

EMV-HD4102A

Product Name

4Channel Mobile AHD DVR(HDD Storage)

Operation System

Linux

Operation Interface

Graphical Interfaces, Chinese/English optional

File System

Proprietary Format

System Privileges

User Password

Video Input

4CH AHD Independent Input: 1.0Vp-p,75Ω.Both B&W and Color Cameras

Video Output

1 Channel PAL/NTSC Output, 1.0Vp-p,75Ω, Pin Aviation Connector

Video Display

1 Or 8 Screen Display

Video Standard

PAL:25frames/Sec;NTSC:30frames/Sec

System Resources

PAL:200 Frames; NTSC:240 Frames

Audio Input

4 Channels Independent Input  600Ω

Audio Output

1 Channel(8Channels Can Be Convert Freely)

Basic Output  Level

1.0—2.2V

Distortion Plus Noise

≤-30dB

Recording Mode

Sound And Image Synchronization

Audio Compression

G711A

Image Compression

H.264 Fixed Code Stream

Image Format

4*720P(1280*720)

Video Stream

192K-2.0Mbit/s

Video Taking Up Of Hard Disk

85M-900MByte/hour/CH

Playback Resolution

1or8*720P

Audio Bitrate

4KByte / s / channel

Audio Taking Up Of Hard Disk

14MByte / hour / channel

HDD Storage

Support Max 2TB

Image Quality

Eight Grades to Choose

Alarm in

4Channels Independent Input. High Voltage Trigger

Alarm out

2 Channels Independent output

Move Detect

available

Host Access

Can Expand One For USB Disk Backup

Wire line Access

Can Expand One RJ45 Ethernet Port

Wifi

Can Expand One Wifi Module Inside

3G

Can Expand One FDD-LTE/TD-LTE/WCDMA/CDMA2000 Module Inside

GPS

Can Expand GPS Module Inside

RS232

Extensible,it is convenient to connect with other vehicle equipment

RS485

Extensible,it is convenient to connect with other vehicle equipment and PTZ Camera

Intercom

Can Expand Intercom Module Inside

G-Sensor

Can Expand G-Sensor Module Inside

Canbus

Can Expand Canbus Module Inside

Power Consumption

DC8-36V   ≤12W

Working Temperature

-20℃ ~ +85℃  ≤80%

Clock

Built-In Clock, Calendar

Product Size

245(L)*190(W)*71(H)mm(with Holder)

Product Weight

3.0KG(without HDD)

Package

Each In a Box, 5 sets/ Canton

Box Size

245(L)*190(W)* 71(H)mm

Carton Size

650(L)*375(W)* 255(H)mm

Carton Weight

14kgs/ 18kgs (without HDD)