... mobile phone 4ch Standalone CCTV DVR support 3G 1.H.264 4ch standalone DVR 2.Support D1,HD1,CIF ... VGA output and USB backup CCTV DVR 4ch Feature - H.264 4ch standalone CCTV DVR - H.264 video compression technology ... Russian , Polish,Turksih, Hungarian, Spanish , Israel, French , German . CCTV DVR 4ch specification ModelH1504VChannel4CHOperating systemEmbedded LINUX OSVideo Input / OutputNTSC / PAL/SECAM ...