... CCTV DVR H.264 compression format 4ch video input,1ch BNC output,1ch VGA output 4ch audio input,1 ch audio output USB backup 4CH, H.264, ... for each cameraOSDCamera title, time, video loss, camera lock, motion detection, recordingRecordingVideo/Audio CompressionH.264 / G.711Image ResolutionD1/4CIF ... to visit our factory. Trade Terms:1. Production Lead Time for 100~500pcs: 10~15days2. Sample can be ...