1,4CH CCTV and DVR Recorder H.264 2,With total 100fps support ... a 2TB HDD, with VGA, RS485, mouse 4CH CCTV Security DVR Realtime Recording FeaturesWith H.264 High efficiency Video CompressionSupport 4CH ... , support IE review and CMS(can manager over 500 units DVR)With Chinese, Russian, English, Italian, Portuguese, Spanish, …….. , Arabic ... 45mm(W*D*H)Weight3.5kg 4CH CCTV Security DVR Realtime Recording