... Network(TCP/IP) CCTV DVR, dvr video recorder, mini video recorder, dvd recorder with hard driveModel: ... DVR104V Item No.PST-DVR104V Video Compression formatH.264 LanguageChinese,English Video SystemNTSCPAL Video Input4CH , NTSC/PAL, 1 ... , channel, backup, network Event ModesAlarm trigger, video detection trigger Alarm Input4CH alarm inputs, 1 repeater ... C 4 CH H.264 Surveillance Security CCTV DVR System