Guangzhou Sanpos Science & Technology Co., Ltd.
Main products:car rear view system,car view cameras,backup camera,waterproof camera,container truck rearview systems,microbus security systems
Contact Us
  • Contact Person : Mr. Zhao weihua
  • Company Name : Guangzhou Sanpos Science & Technology Co., Ltd.
  • Tel : 86-020-28656162
  • Fax : 86-020-28656107
  • Address : Guangdong,Guangzhou,NO.108,Shichen road, Zhongcun village,Panyu district,Guangzhou
  • Country/Region : China
  • Zip : 511495

4 channel H.264 Bus DVR with GPS function,2 SD-Card Recorder SP-4000A

4 channel H.264 Bus DVR with GPS function,2 SD-Card Recorder SP-4000A
Product Detailed
1.bus dvr/vehicle dvr 2.Anti-vibration, anti-shock mounted case; 3.h.264 compression; 4.with 3G function; 5. 4 video input

Here is the bus dvr's specification:

1) GPS, speed, positioning and monitoring;2) 3G wireless video transmission function;3)Driving record;4)Intelligent scheduling.

Vehicle DVR's SpecificationsMobile Digital Video Recorder(MDVR) is a equipment with high cost performance,strong function expandability,it’s designed for car video surveillance and remote monitoring.It uses high-speed processor and embedded Linux development platform, combined with the most advanced H.264 video compression / decompression technology,network technology and GPS positioning technology in the in the IT field. Using the SD card as storage media, MDVR can achieve 4 CIF, HD1 and D1 format audio video, car driving information record and upload GPS positioning signals. MDVR is compatible with center software that can be realized with the linkage of the central alarm monitoring, remote management and playback analysis. MDVR looks simple, the features with superior shakeproof, installation flexibility, powerful, and high reliability.

  Bus DVR’s Basic Electrical Parameters


Working parameter


Power input


Input voltage:+8V~+36V,The voltage is long-term lower than 8V,or long-term higher than 36V,Auto power-off,enter into protected mode.

Power output


Output voltage:12V(+/-0.2V),Maximum current:2A.

Car key’s signal


Car key be closed.


Car key be opened.

Video input impedance


75Ω for each video input impedance

Video output voltage


2Vp-p for analog signal of CVBS,The input impedance of display device is 75Ω impedance matching.

I/O interface


Low level alarm


High level alarm

SD card interface

Two SD Cards

1.Compatible with common brand in the market,32GB/for each card.

2.SD card’s function with storing files,supporting video and system upgrades.

Operating temperature


Draughty conditions

The accessory of the bus dvr:

4 channel H.264 Bus DVR with GPS function,2 SD-Card Recorder SP-4000A

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