4 CH SD Mobile DVR NTSC / PAL , RS485 Interface For Trains Security

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4 CH SD Mobile DVR NTSC / PAL , RS485 Interface For Trains Security


• 4-CH dual SD MDVR;

• 4 ch video & audio inputs;

• 2 D1+ 2 CIF H.264 Compression;

• Two SD slots, each slot supports 128GB;

• Four alarm inputs & one alarm output;

• one RS485, one RS232;

• Embedded G-sensor;

• power input: +8V --- +36V;

• Built-in  GPS function,3G and WIFI.



Product Technical parameters:



Chinese/ English

Operation system


Operation interface

Graphical User interface(OSD menu)


User /Admin password

Control mode

IR remote control


Video input

4-ch video composite input

Video output

1-ch output

Display mode

Single/ 4-ch video

Video compression

H.264 Main profile

PAL:100f at D1/s, NTSC: 120f at D1/s

Video Signal



Audio input

4-ch audio input

Audio output

1-ch audio output

Recording mode

Audio & Video sync Recording

Image processing & storage

Image format mode

CIF/HD1/D1 optional

Video stream Standard

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Ms. Betty zhao
Tel: 86-755-88832758
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Shenzhen Qianghong Electronical Technology Co.,Ltd
6th floor,Building D,the 2nd industrial,longjing,xili town,nanshan district, Shenzhen, Guangdong, China (Mainland)
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