4CH H. 264 network DVR Recorder With total 100fps support 4D1@25fps Support a 2TB HDD, with VGA, RS485, mouse, USB FeaturesWith H.264 High ... , support IE review and CMS(can manager over 500 units DVR)With Chinese, Russian, English, Italian, Portuguese, Spanish, …….. , Arabic 25 ... %--90%Atmosphere Pressure86kpa--106kpaDimension310mm x 220mm x 45mm(W*D*H)Weight3.5kg 4Channel H. 264 cctv DVR(SA-2004VS)