... ALARM supported VEHICLE TELEMETRY,(SUCH AS SPEED,ROUTE,CAR ID,ETC) CAN BE STROED IN THE VIDEO ERRORPROOF FILE SYSTEM ... inDC, 8V~32VPower out12V, DC, Max Current 1AVideo input4/2/1 channels, 1.0Vp-p, 75Ω, BNCVideo output1 channelVideo ... 50HZ~350HZAudio output1 channelCompressionMPEG2Recording Mode704x576, 25fps(PAL), 30fps(NTSC)StorageSATA (2.5 inch)Alarm input4-ch Alarm InputAlarm output2-ch Alarm ...