https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions
Product Info
C Series Dual SD Card  Mobile DVR

C Series Dual SD Card Mobile DVR

Shenzhen Tmvideo Technology Co.,Ltd
Region: China
Update: 03/07/2014
Key Specifications
1. 4CH video input, D1 video resolution

2. H.264 video compression, Linux OS, dual stream

3. Standard industrial chassis design of host, small in

size, easy to install

4. Dual SD card, support up to 64G/hot plug and

unplug

5. Built-in 3G, WIFI, GPS modules for option

6. Time delay of power-on/ off, ensure the transient

current requirement and integrity of monitoring when

the vehicle booting.

7. Interface extension: 2*SD, 2*USB 2.0, alarm, RS232

etc

8. Voltage: DC9V-36V

9. Working temperature: -25℃~ +65℃

https://www.asmag.com/project/resource/index.aspx?aid=16&t=secutech-made-in-taiwan-products-and-solutions