4 CH, 1SATA Supports AHD/TVI/CVI/CVBS /IP Cameras Supports AHD/TVI/CVI Cameras upto 8MP Supports H.265+/H.265/H.264+/H.264 Supports Smart Playback & Analytics Supports 2 extra IP ch Supports 3G/4G Wi-Fi Google drive & Dropbox Cloud Storage Supports video quality detection (VQD)