Features:*Consist of 4CH full 1080N AHD DVR + 1TB Hard Disk + 4* 720P AHD waterproof infrared camera + 4*60ft cable for CCTV security system.*NVR CVI TVI HVR AHD 5-in-1 function, support both AHD camera and analog camera input.*Support 4channel 1080N analog cameras preview, record, playback, etc.*Multiple ways to access on the PC, phone/pad and browser via software, which can be downloaded by link on the user manual.*Support motion detection record and push notification.*No need any complex installation.DVR