Features:*Consist of 16channel AHD DVR video recorder + 2TB hard disk for CCTV security system.*Support 16channel full 1080N/720P preview, record and playback in high definition (can connect up to HD 2000TVL CCTV analog camera).*DVR/HVR/NVR 3-in-1 function, support both AHD camera and analog camera input.*Onvif standard, also can be connected to Onvif IP camera for video record.*Multiple ways to access on the PC, phone/pad and browser via softwares on CD.*Support motion detection record and email alarm notification.*Plug and play use, no need any complex installation.