8 ch AHD GPS Car DVRModel: Hero-ME31-08-GKey Feature8 ch AHD GPS Car DVR, support 8 ch 720P AHD camera. HDD and SD card storage, max. 1TB HDD and max. 128GB SD cardExclusive pre-allocated type vehicle file system technology to the file fragmentation problems and keep the data completed and stableWithstand vehicle 8-36V wide voltage power supplyVarious video recording modes to meet different demands, such as automatic recording, manual recording, alarm recording, etc.I/O port: 8 ch alarm inputs and 1 ch alarm inputSerial port for accessories: 1 ch RS232 Serial port or 1 ch RS485 extensionSupport GPS for tracking, and built-in G-Sensor for acceleration detectionMouse control for easy operationSpecificationModel Hero-ME31-08-G Item Specifications Operating SystemLinuxLanguageEnglish, Chinese or Customized language.Video CompressionH.264OSDSupport overlay for time, date, vehicle ID, etc.GUIOSD InterfaceSupport to set the system specifications by remote controllerVideo and RecordingVideo Input8 ch 720P AHD/Analog/Compound video input, aviation connector, 1.0Vp-p, 75ΩVideo Output1CH Compound video output with optional VGA output, 1.0Vp-p, 75Ω. Support 1CH full screen and 4CH division.PreviewSingle/4CH Pictures Preview, support full screen of event trigger or back view of car reversingRecording ResolutionSupport 720P/960H/D1/HD1/CIF, support at maximum 4 Channels 720PRecording QualityOptional Recording for Grade 0-7. 0 is the highest and 7 is the lowest.Video RatePAL:100 fps, CCIR625line, 50 scenes NTSC: 120 fps, CCIR525line, 60 scenes CIF:256Kbps-1.5Mbps, 8 grades image quality for optional HD1:600Kbps-2.5Mbps,8 grades image quality for optional D1:800Kbps-3Mbps, 8 grades image quality for optional 720P: 800Kbps-4Mbps,8 grades image quality for optionalRecording ModeDefault automatic video recording, support ignition video recording, schedule video recording, alarm video recording, etcAudioAudio Input8CH Aviation connector inputsAudio Output1CH Aviation connector output, Output level: 1V - 2VCompression formatG.726, Speed for 8KB/sAlarm Input8CH level alarm inputsAlarm Output1CH level signal outputCommunication InterfaceOptional for 1CH RS232 or 1CH RS485GPSSupport built-in GPS module, can analysis and playback for vehicle driving routeG-sensorbuilt-in G-sensorVideo StorageStorageSupport a 1T 2.5 -inch HDD and 1 128G SD card storageUpgrade MethodSupport SD card local upgrade, remote upgrade automaticallyFile FormatH.264 general video formatFile SystemFAT32 exclusive file systemVideo PlaybackVideo SearchSearch recorded video files by recording time and recording methodPlaybackSupport at max 4 channel synchronous playback, suspend, forward, backward Support 2/4/8/16 times speed forward or backwardSecurity ManagementUser Password or administrator password management, support screen lockedExpansion functionsTTS Voice broadcastSupport TTS voice broadcastSeries port expansionSupport external equipment connecting for advertising screen, PTZ control, fuel sensor, etc.Power and ConsumptionPower      ManagementSelf-adaptive wide voltage input, with protect functions for overload, under voltage, short circuit, reversing connection, etc. Support time setting startup/shutdown, delayed power off functionPower and ConsumptionInput VoltageDC: +8V - +36VOutput Voltage+12V@2.5A, +5V@2.5APower-off ProtectionUPS technology to protect all recorded information automatically and make sure the files undamaged in case of sudden power off.ConsumptionNormal working < 14W, standby < 0.5WWorking environmentTemperature-20℃-+70℃Humidity20%-80%MechanicalDimension180mm*200mm*60mmWeight1.35 KG