1. 4 channel HD-SDI 1080P input 2. H.264, Max. 120FPS recording with 1080P 3. The real hd show, video and playback. 1. HD ... HD-SDI DVR H.264codec3. max,120FPS recording with 1080p4. high definition picture quality HD multiplexer ,auto switching for 4:3, 16:9 ... output(1024X768,1280X1024,1366X768,1440X900,)Input 4 HD-SDIOutput 1 VGA(1024X768,1280X1024,1366X768,1440X9001 BNC(720X480,720X576) Audio Input ...