Built-in high performance Hisilicon chipsets, coded with H.264 standard, high compression rate and image qulity
4CH AV Inputs with AHD/TVI/CVI/960H/D1/CIF optional, 1CH synchronized AV output,
4CH local recording with 720P resolution in real time

SD Card Mobile DVR Power:

Professional In-Vehicle power design, 9-36V DC Wide Voltage Range
Multi protection circuits like under-voltage, short, reversed plug-in
Smart power management system, shutdown under low voltage, low consumption when standby

SD Card Mobile DVR Data Storage:

Using special file management system to encypt and protect the data
Using proprietary SD card bad track detecting technology, can make sure the video continuity and prolong the SD card life
Built-in ultracapacitor, avoid data loss and sd card damage by sudden power drop
Support SD card storage, maximum 128G

Interface Transmission:

SD Card Mobile DVR Technical parameter:

Item	Device parameter	Performance
System	Main processor	Hi3520DV200
	Operating system	Embedded Linux OS
	Operating language	Chinese/English
	Operating interface	GUI, Support mouse
	Password security	User password/Admin password
Audio & Video	Video standard	PAL/NTSC
	Compression standard	H.264
	Image resolution	720P /960H/D1/CIF
	Playback quality	720P /960H/D1/CIF
	Decoding ability	1ch 720P real time
	Recording quality	Class 1-6 optional
	Image display	Single/QUAD display optional
	Audio Compression	G.726
	Audio recording	Audio & Video synchronized recording
Recording & Playback	Recording mode	Manual/Alarm
	Video bit rate	Full frame 4096Mbps,6 classes image quality optional
	Audio bit rate	8KB/s
	Storage media	SD card storage
	Video inquiry	Inquiry by channel/Recording type
	Local playback	Playback by file
Firmware upgrading	Upgrading mode	Manual/Automatical/Remote
Firmware upgrading	Upgrading method	USB disk/Wireless network
Interface	AV input	4ch aviation interface
	AV output	1ch aviation AV output
	Alarm input	4 digital inputs(2 Positive trigger, 2 negative trigger)
	SD card	1 SDXC High speed card (up to 256G)
	USB interface	1 USB 2.0(Support operating by USB mouse only,USB deplay plug-in detect)
	Ignition input	1 ACC Signal
	UART	1 LVTTL Level
	LED Indication	PWR/RUN
	SD card lock	1
	Debug port	1
Function extention	GPS	Support detecting antenna Plug in/Unplug/Short circuit
Others	Power input	8V~36V DC
	Power consumption	Standby 4mA Maximum consumption 1120mA
	Working temperature	-20 --- 70℃
	Storage	720P 24G/day/channel 960H 750M/hour/channel
	Dimension	14012525(mm)

4CH AHD SD Card Mobile DVR For School Bus Embedded Linux OS Operating System

CCTV Mobile DVR