... . video parking sensor 2. DVR functionFeatures:Built-in 3.5" TFT monitor, rearview with camera,auto start working while car backward Built ... LED will light.- To check DVR working state, press PLAY button 3 seconds to open the DVR video on mirror,press"PLAY ... turned off. - Rotatable wide-angle camera it can be turn left/right and up/down.- Recording Mode: Subparagraphs file recording,2 ...