16ch video input, 4ch audio input,2 SATA HDD support(or 1HDD + ... .0,VGA,PTZ.CIF at 400/480FPS dual encoding 3G H.264 Digital Video Recorder 16ch video input,4ch audio input,2 SATA HDD support(or ... °C ~ +40°C /10~90%RHDimension1U, 390mm×300mm×110mm(W×D×H)Weight3.5 KG(without HDD) 3G H.264 Digital Video Recorder