... Plug and Play)Specifications Model No.ES-5104SSystemMain processorHigh performance embedded microprocessor / GM8183Operating systemEmbedded LINUX operating systemLanguageEnglish, Simplified Chinese ... 768, 1280*1024, 1024*768, 800*600Tour displaySupportOSDCamera title, time, video loss, camera block, motion detection, recordingRecordVideo/Audio compressionH ... port 4/8/16 channel h.264 real time dvr