The JH4-HD-GNN V2 is a Mobile dvr with GPS designed for on-board vehicle recording. It has four ports to record up to four cameras simultaneously and an ethernet port to connect a forward-facing IP camera. The system comes with GPS to record the vehicle location and driving route as well. Footage records onto an included 2TB hard disk with backup recording (128GB) onto 1 SD card. With a solid and compact build, the JH4-HD-GNN V2 is vibration-proof, installation-friendly and combines powerfulfunctions together with a stable performance.