... ,1-ch audio output 4. H. 264 compression 5. 9-36V Features:1. Supporting 4 way real-time recording, with ... files.5. Compact design, waterproof and dustproof case.6. 9-36V wide range voltage design with over current, over voltage ... (2.5inch)6.Recording ModeVideo file formatMP4Booting recording, time recording, alarm recording, manual recording.7.PreviewQuad screen, single screen8.PlaybackPlayback on ...