4CH 720p HDD Mobile DVR Support 3G/4G /GPS Used for Car/Bus/Taxi

Product Description

4CH 720P HDD mobile DVR support 3G/4G /GPS used for Car/bus/taxi
Key Features: Industrial level design; Advanced audio/video compression technology; 4-channel video input,1ch audio input; ASF standard file format; Local PTZ control; Data redundant storage technology; Patent UPS power-off protection design; Fast startup; Optional function: Bi-directional voice communication, telephone dialing, disk pre-heating; Central management software provided for optional; Support intercom function; Support I/O alarm, over speed alarm, g-sensor alarm, video lose alarm, motion detection alarm; Support broadcast voice; Support 2TB HDD&max 256G SD card.
Parameters:

CPU	Hi silicon
Basic functions	REC,PLAYBACK,ALARM,VGA,USB,IR,SD,TV-OUT,etc.
functions	GPS 4G WIFI for optional
Power Supply	Car battery(For mobile monitoring)/Power adapter(For other applications)
Power input	(Standard power input:DC12V~DC24V, ultimate input: DC8V~DC38V)
Power output	DC12V/3A	Provide power for cameras,with built in re-settable fuses.
Working Current	250~380 ±10 mA (the reference voltage is:DC24V)
Working temperature	- 10°C~ + 50°C (ultimate working temperature: - 20°C~ + 60 °C)
Storage interface	Standard SATA II HDD interface, SD / SDHC Card
Storage Capacity	2.5'' SATA II 2TB HDD,two 256GB SD/SDHC Card(suggest to use the SD Card with the
	speed over Class10)
Storage mode	stop when full or cycle recording
Camera	CCD/CMOS
Video Technology	H.264 (Data encryption, need to use the playback software to play the videos)
Video Standard	PAL system or NTSC system
Video input	Input standard: input frequency: Vp-p=1.0V,input impedance: 75Ù
Resolution	4ch 720P full real time recording, also support the playback function while recording.
Total frame rate	PAL(1~100FPS optional)and NTSC(1~120FPS optional)
Video quality	Main stream/Extra Stream mufti-grade adjustable
Output signal	CVBS(4ch video + 4ch audio,but only support 1ch audio output at a same time)
Ethernet Port	One 10M/100M Ethernet port (RJ45)
Alarm input	6ch independent alarm input port (with isolating function)
Alarm output	3ch independent alarm output port(4 ch DVR has two red indicator light display alarm
	output state.)
USB Standard	1 USB 2.0 port(support USB back up and system upgrade)
Delay power off	Delay duration :1minutes (default), we can OEM the delay duration.
3G/4G	Support 4CH D1 real time video and audio transmission, including GPS info.
Other technology	RS485(for PIZ connection),2.4G WIFI ,GPS(NMEA-0183) Timing and position
DVR dimension	146(Length)*138(Width)*40(Height)mm
mainframe weight	Around 500g

Warranty Policy
We provide two-year warranty for CCTV Cameras and DVRs after the shipment date. Any product proves defective under normal usage, we will repair or replace it by free of charge.
1. If our customers could repair the products by themselves locally, we will supply necessary spare parts.
2. If the customers couldn't repair the products, the products will need to be sent back to us, and we repair and bear 50% freight charge. All of our products are 100% passed strictly quality inspection before delivery.
Technical Support
We have professional technical support team to support our customers, and if you have any question for the technology of our products, please email to us, and we will reply to you immediately. Also if you have any doubt for the information on our website or any feedback for the quality of our products, please email to us, and thanks for your all comments in advance.