... View 4CH DVR CCTV Camera System The LCD DVR with a flexible Bracket, It can ... 3G/WiFi. ModelGR-DM2508GR-DM2504SystemMain processorHigh performance embedded microprocessor / Hi3515Operating systemEmbedded LINUX operating systemLanguageEnglish, ... , Finnish , Bulgarian , Swedish , Romanian , Greek, Etc.System resourcesPentaplex function: Live, recording, playback, backup& remote accessControl modeFront ...