School Bus System Mdvr 4CH 1080P Ahd Car Vehicle Mobile DVR

 School Bus System Mdvr 4CH 1080p Ahd Car Vehicle Mobile DVRKey Features:Industrial level design;Advanced audio/video compression technology;4-channel video input,1ch audio input;ASF standard file format;Local PTZ control;Data redundant storage technology;Patent UPS power-off protection design;Fast startup;Optional function: Bi-directional voice communication, telephone dialing, disk pre-heating;Central management software provided for optional;Support intercom function;Support I/O alarm, over speed alarm, g-sensor alarm, video lose alarm, motion detection alarm;Support broadcast voice;Support 2TB HDD&max 256G SD card.Parameters:   CPU Hi siliconBasic functionsREC,PLAYBACK,ALARM,VGA,USB,IR,SD,TV-OUT,etc. functions GPS 4G WIFI for optional Power SupplyCar battery(For mobile monitoring)/Power adapter(For other applications)Power input(Standard power input:DC12V~DC24V, ultimate input: DC8V~DC38V)Power outputDC12V/3AProvide power for cameras,with built in re-settable fuses. Working Current250~380 ±10 mA (the reference voltage is:DC24V)Working temperature- 10°C~ + 50°C (ultimate working temperature: - 20°C~ + 60 °C)Storage interfaceStandard SATA II HDD interface, SD / SDHC CardStorage Capacity2.5'' SATA II 2TB HDD,two 256GB SD/SDHC Card(suggest to use the SD Card with the speed over Class10)Storage modestop when full or cycle recordingCameraCCD/CMOSVideo TechnologyH.264 (Data encryption, need to use the playback software to play the videos)Video StandardPAL system or NTSC system Video inputInput standard: input frequency: Vp-p=1.0V,input impedance: 75ÙResolution4ch 720P full real time recording, also support the playback function while recording.Total frame ratePAL(1~100FPS optional)and NTSC(1~120FPS optional)Video qualityMain stream/Extra Stream mufti-grade adjustableOutput signalCVBS(4ch video + 4ch audio,but only support 1ch audio output at a same time)Ethernet PortOne 10M/100M Ethernet port (RJ45)Alarm input6ch independent alarm input port (with isolating function)Alarm output3ch independent alarm output port(4 ch DVR has two red indicator light display alarm output state.)USB Standard1 USB 2.0 port(support USB back up and system upgrade)Delay power offDelay duration :1minutes (default), we can OEM the delay duration.3G/4GSupport 4CH D1 real time video and audio transmission, including GPS info. Other technology RS485(for PIZ connection),2.4G WIFI ,GPS(NMEA-0183) Timing and positionDVR dimension146(Length)*138(Width)*40(Height)mmmainframe weightAround 500gWarranty PolicyWe provide two-year warranty for CCTV Cameras and DVRs after the shipment date. Any product proves defective under normal usage, we will repair or replace it by free of charge.1. If our customers could repair the products by themselves locally, we will supply necessary spare parts.2. If the customers couldn't repair the products, the products will need to be sent back to us, and we repair and bear 50% freight charge. All of our products are 100% passed strictly quality inspection before delivery. Technical SupportWe have professional technical support team to support our customers, and if you have any question for the technology of our products, please email to us, and we will reply to you immediately. Also if you have any doubt for the information on our website or any feedback for the quality of our products, please email to us, and thanks for your all comments in advance.   /* 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