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

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

Item	Working parameter	Illustration
Power input	8—36V	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	12V	Output voltage:12V(+/-0.2V),Maximum current:2A.
Car key’s signal	≤4V	Car key be closed.
	≥5V	Car key be opened.
Video input impedance	75Ω	75Ω for each video input impedance
Video output voltage	2Vp-p	2Vp-p for analog signal of CVBS,The input impedance of display device is 75Ω impedance matching.
I/O interface	0—4V	Low level alarm
	>4V	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	-40°C-80°C	Draughty conditions

The accessory of the bus dvr:

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