... Car Black Box with 3G and GPS, Can Work With 4pcs Cameras HDD Car Black Box* H.264 Vehicle DVR, the ... other language for big order17) Sensor detection & alarm; Can be set up for brake, overspeed, door, draw back etc. 18) ... Panic button set & alarm. 19) Compact size, much easier for installation20) CE, ... Black Box with 3G and GPS, Can Work With 4pcs Cameras