1080P 4CH GPS 4G AHD Car DVR MDVR with 2TB HDD 7" VGA Screen Rear View Cameras
1 x accessory for MDVR. Support 4CH alarming inputs and 1CH independent alarm output (open/close door, brake, back up, motion detection etc). Expansion Interface Storage Support SD Card up to 256G, support 1x 256SD card.