Features:*Consist of 8CH 1080N AHD DVR + 4*1500TVL 720P AHD waterproof infrared camera for CCTV security system.*Support 8 channel 1080N/720P analog cameras preview, record, playback, etc.*Multiple ways to access on the PC and browser via software, which can be downloaded by link on the user manual.*Support motion detection record.*No need any complex installation.DVR