Cheapest Car DVR Ahd 4CH Mobile DVR

Basic Info.Model NO.BD-326Interface BNC Operating System Linux Number of Supported Hard Disk0Compression FormatMJPEGWarranty Time One Year Stream Type Video Flow Input Channels 4 Interface DisplayFour ImagesBrandBrandooResolution4 Channel D1Frame4CH D1 at 10f/SMax. SD Capacity128GBSpecial Function3G,GPS OptionalAlarm I/OSupportRS232Support3G Module SelectableWCDMA/EVDOTransport PackageGift BoxOriginMade in ChinaProduct Description This is an inexpensive type 4 channel Mobile DVR works with aviation connector, support 1pcs Max. 128GB sd card memory. This DVR support GPS and 3G also.Features:> Max. 128GB sd card used> 4CH D1 @ 10f/s> GPS,3G available> Aviation connector> 4 alarm I/O used> RS232 communication available> 1.5-2GB for 1 hour recording> 3G/GPS function availableSpecifications:Items          ParametersSpecifications SystemLanguageChinese/English (OEM)Operation MenuGraphical User interface(OSD menu)PasswordUsers Password/ Administrator Password   VideoVideo input4-CH video input   1.0Vp-p,75ΩVideo output1-CH video COMPOSITE output 1.0Vp-p,75ΩVideo Display1 channel or synchronous 4 channelsVideo SingalPAL,NTSCVideo CompressionH.264 Main profile, 75fps D1/sAudioAudio input4-ch Audio inputAudio output1-ch Audio outputRecording modeAudio & Video sync RecordingImage processing & storage Video formatCIF/HD1/D1 OptionalVideo stream StandardISO14496-10Video bit rateCIF: 1536Kbps ~ 128Kbps,8 levels optional. Highest:1 levelHD1: 2048Kbps ~ 380Kbps,8 levels optional. Highest:1 levelD1:  2048Kbps ~ 400Kbps,8 levels optional. Highest:1 levelAudio Bit rate8KB/sStorageSupport 1pcs Max. 128GB sd card memoryAlarmAlarm input4 alarm input,below 4V is low level alarm 4V,above 4V are up level alarmCommunication InterfaceRS232 InterfaceSupport 1-RS232 interfaceSoftwareAnalysis of PC playbackPlayback Recording on PC,and analyses the vehicle recording info.Software UpgradeSD cards upgrade.