GVD HD NVR Viewer

GVD HD NVR Viewer provides user an intuitive and efficient video surveillance tool on Android-powered phone/tablet connecting to GVD HD NVRs. Users could easily view live and playback video, operate PTZ control and call up camera presets. This viewer allows users to operate any NVRs on Internet with Wi-Fi or 3G/4G network. Why don't you try this application for free today?