Producing newest 7" dvr recording system with high-quality,Website:://.brvision.org, Brvision Technology Co.,Ltd is one of the best such manufacturers and suppliers, welcome to buy discount 7" dvr recording system from us.7'' DVR system, this magnificent camera system comes with 7'' quad view monitor with multiple viewing options and a built-in DVR to record all cameras connected. The monitor takes SD card up to 128GB. Looking for an all-in-one system? This would be the one for you.Item No.BR-TQS7002-DVRResolution800*480*RGBSD card128GB at mostSystemPAL/NTSC automaticallyAudio and video4 video/1audio input  Quad images,2/3/4 image optionalOSD menuLanguage,brightness, contrast, trigger priority delay display settingLuminance250cd/SMcameraBackup view, side viewImage Type1/4,1/3 Inch Color CCDHorizontal Resolution420TV/700TV LinesShockproof10GCertificateFCC,CE, E-mark,ISO9001,TS16984, RoHsWarranty1 year as standardOperating temperature-40°C to 70°C