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4 CH AHD HDD Mobile DVRs With GPS

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4 ch HDD AHD Vehicle DVR with GPSModel: Hero-MD31-04-GKey Features4 ch HDD Vehicle DVRSupports 4 channel AHD +1 ch IP cameraMax. 5 ch 720p @25/30fps recording.Modular design for easy maintenanceSupports 2.5& quot; 2TB hard disk, support SD card for mirror recording?Built-in inertia sensor, for acceleration detection.U-blox GPS for location trackingSpecificationsModel Hero-MD31-04-GVideoInput4?channels AHD +?1 channel IPC (12V PoE)Output1?channelTotal Resource5 channel 720p@30fpsAudioInput5?channelsOutput1 channelAudio Signal StandardElectrical level: 2?Vpp Input impedance: 4.7kΩ SystemOSLinux Control ModeTouch screen, mouse control, IR remote control?(with control panel), networkDisplayDisplay Split1/4/9 Image display OSDGPS information, alarm, vehicle Number., speed, date/timeRecordingVideo/Audio CompressionVideo: H.264 Audio: ADPCM, G.711A, G.711UImage Quality1-8 levels adjustable (1 is the best)Recording ModeIgnition/Manual/Schedule/Alarm (sensor, speed, acceleration, video loss, temperature)??Mirror recordingPre-recording0-30minutesPost-recording0-30 minutesPlaybackPlayback Channel1 channel by local playbackSearch ModeDate/time, channel, eventNetwork Ethernet100Mbps Ethernet port, aviation connector (RJ45 port optional)LocatingGPSBuilt in U-blox GPS module (optional). Location tracking, speed detection and time sync.StorageHard diskSupports 2.5& quot; hard disk up to?2TBInterfaceUSBUSB?2.0SDSD x 1, max. 128GBRS232RS232 x 1, Support externsion to 4?(232?x 2, 485?x 2)Sensor8 inputs, 2 outputsG-sensorBuilt-in?3 axis G-sensorPowerInputDC?8-36VOutput12V@1A, 5V@1AMechanicalDimension (L × W × H)185mmx190mmx75mm?(with mounting brackets)Weight1.8 kgEnvironment ProtectionIP54Operating Temperature-40℃- +70℃(With heater) or -10℃- +70℃Operating Relative Humidity8%-90%Dimension (Unit: mm)

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