4CH HDD Mobile DVR with Dual SD Card for Truck & Bus Security

      MDVR is a cost-effective, functional and extensible device design, which already used in bus monitoring system, logistics, school bus and metro, train and traffic transportation car security Uses a high-speed processor, an embedded Linux platform and combines the most advanced H.264 video compression technology in IT field With SD memory card and hard disk as storage medium, MDVR enables 4CH CIF/HD1/D1 video format recording and vehicle information recording Supports 3G, 4G, GPS and Wi-Fi. If with 4G, 3G is also available CCTV DVR recording systems help prevent false claims against you and provide footage to deter theft, vandalism and help train staff We offer multiple mobile digital recorders which offer impressive features such as GPS integration, event tagging, and live streaming A four camera system gives vehicle operators 360 visibility around a vehicle, making the system essential to provide evidence with investigations or identifying hazards and risksItemsParametersPerformance indexSystemLanguageChinese/English/Traditional Chinese/othersOperation MenuGraphical menu interface (OSD menu)PasswordUser password and Admin passwordVideoVideo input4-CH composite video inputVideo output1-CH composite video outputVideo display1 channel/4 channelVideo signalPAL/NTSCVideo compressionH.264 Main profile, 75f at D1/s, 300f at CIF/sAudioAudio input4-CH audio inputAudio output1-CH audio outputRecording modeAudio and video sync recordingImage Video formatCIF/HD1/D1 optionalVideo stream standardISO 14496-10Processing and storageVideo bitrateCIF: 384Kbps (lowest), 512Kbps (middle), 768Kbps (highest), 3 levels optional HD1: 512Kbps (lowest), 768Kbps (middle), 1024Kbps(highest) 3 levels optional D1: 512Kbps (lowest), 768Kbps (middle), 1024Kbps (highest), 3 levels optionalAudio bitrate8KB/sStorageSupports two 64GB SD cards/one 2.5" maximum: 2T  HDDAlarmAlarm input4 alarm input, below 4V low level alarm, above 4Vhigh level alarmAlarm output2 alarm output, output high level of 12/5VCommunication interfaceRS485 interfaceSupports one RS485 interfaceRS232 interfaceSupports one RS232 interfaceAcceleration sensorSensor interfaceBuilt-in acceleration G-sensorSoftwareAnalysis of PC playbackPlaybacks recording on PC and analyzes the vehicle recording infoSoftware upgradeSupports SD card USB flash disk to upgradePackage: In small box and then in cartonBox size: 13*24*28.5 cmCarton size: 50.5*40.5*41 cm1 set / one box, 8 pcs box / one carton            Shenzhen Mingshang industrial, manufacturing and trading combo, produce rearview system, camera, monitor, DVR and GPS tracker since 2003. Certified with TS16949:2009 and ISO 9001:2008 international quality management system since 2011. Certifications: CE, FCC, RoHS and E-mark. Our staff committed to the highest customer service and will work with you to assist with the selection of the right product every time, with quick, on-time delivery.Our advantages: 1. More than 40 engineers and professional sales team 2. More than 14 years' experience of OEM 3. OQC and IQC department, each product will be tested before delivery 4. Manufacturer with best service  5. All items offer 18 month guarantee 6. Safe and quick deliveryContact Ivy for a quote today! /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1