CARKUDA is a video device management software ,which can take the picture , preview, replay the video and download the videos in the DVR directly through WIFI to connect with Phone . Main Feature : 1.Support WiFi wireless connect to DVR . 2.Support video replay and preview of pictures and videos through WIFI to connect with Phone . 3.Supports real-time preview and video replay . 4.Support parking monitoring 5.Supports online firmware upgrade