4ch Standalone DVR, 120fps 4ch D1 real time DVR, support:network/mobile phone/CMS/PTZ/remote, 1TB HDD, ... , multiple channels playback(basic model no such function)Recording look-up modeTime searching, calendar searching, affair searching, channel searching, information searchingStorageAndbackupHard ... diskInstallationFrame installation, platform installation Spanish DVR: 120fps 4ch D1 Real time DVR