4ch H.264 DVR 24 LED IR dome camera 18m video cable, ... time, video loss, camera block, motion detection, recordingRecordVideo/Audio compressionH.264/G711Image resolutionD1(704 * 576/704 * 480), HD1(704 * ... than 1U,260mm * 230mm * 50mm (W * D * H)Weight0.92KG (without HDD)Rear panel introduction 1Video input2Video output3Audio ... port7Power supply port8VGA port 4/8/16 channel h.264 real time dvr