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4CH AHD 720P Mobile DVR

4CH AHD 720P Mobile DVR

DVR311 is a leading brand-new designed Vehicle-Mounted DVR based on AHD 720P technology. Built-in high performance video processor chipset and H.264 encoding and decoding protocols, DVR311 implements video recording, storage and replaying. Integrated with 3G/4G/WiFi module and harine full-featured control protocol, DVR311 implements vehicle remote monitoring, remote analysis and processing.

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Product Details


Video Input

4channels input

Aviation jack

720P, 960H, standard analog signal

Mode: 4CH 720P / 4CH 960H / 2CH 720P + 2CH 960H

With over voltage protection

Video Output

Two mode: CVBS and VGA

Aviation jack for CVBS

DB-15 for VGA


One ignition input

With over voltage protection

Digital Input

Six digital inputs

Three positive trigger inputs

Three negative trigger inputs

With over voltage protection

Digital Output

One digital output, open drain, 150mA max

With internal overcurrent protection

Latched Digital Output

One digital output with internal latch circuit

Open drain, 150 mA max

With internal overcurrent protection


Support 1-wire temperature sensor

Power output

One 12V output max 300mA

With internal overcurrent protection

One 5V output max 300mA

With internal overcurrent protection


Two RS232 serial ports on for external devices


One RS485 serial port on for external devices

Cell Antenna


GPS Antenna


WiFi Antenna


Network Interface

1*10M/100M RJ45 adaptive Ethernet interface

USB Interface

One USB2.0 Port

Mouse/Key pad/USB flash drive

LED Indicator

Nine LED to indicate system status

Hard Disk Lock

One mechanical hard disk lock


Two IRDA, One internal, One external


SATA2.0 , 2.5-inch drives

Debug port

One Uart port for debug

General Specification




-20~ +60

Air Interface Protocol

Transmit Protocol


Scheduled Timing Report

Report position and status at preset intervals

Special Alarm

Special alarm based on the digital inputs


Quick Details


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Wide operating voltage: 8-36V DC

Built-in supercap for power off protection to avoid data loss

Hybrid networking mixed with traditional and HD analog

2.5 hard drive, support up to 2TB

Built-in U-BLOX GPS module, quick positioning, high precision

Built-in 3G/4G wireless module, support WCDMA / HSDPA / HSUPA / LTE

Built-in accelerometer for driving behaviour monitoring

Very low power consumption when ignition off

Automatic identification power supply type

Automatic shutdown under low battery voltage

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Company information

About Harine

  Founded in 2007, Xiamen Harine Electronics Co., Ltd. has become a professional designer and manufacturer of vehicular electronics products. Harine has passed the ISO9001:2008 Quality System Certification and Product Certification. We have been assessed as a National Hi-tech enterprise specialized in the design, production and sales of Vehicular LCD & LED monitor, Vehicular audio & video system, rear view system and so on. 

  With advantage of long-period experience in vehicular products, powerful R&D team, good team sense and efficient and effective production, Harine sells the products to all over the world and has been approved to be the first choice in the field.

  Presently, our factory covers an area of 3,000 square meters, has about 200 employees and 50 million RMB turnover in 2011.

  We firmly believe that quality is the first. Most of our products have been CE Certificated, FCC Certificated or Emark approved.

Harine Pictures


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 Exhibition Pictures


Application fields



Contact Way

mobile: 86-18120842759

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Tel: 86-592-5778-667
Fax: 86-592-5736988
Add: 3-4th Floor, No. 186 Yuehua Road, Huli District, Xiamen, 361006, Fujian, China