1080P MDVR Mobile Vehicle Car Dvr System with 4 Piece Car Camera for Truck Van Bus RV Can use ignition to control the power. This item can be shipped worldwide. Maximum for 4x 1080p Analog/AHD cameras. Can set to default setting. The item 1080p dashcam 4 channels car bus truck-wifi-3g real-time dash video recorder is in sale since Friday, December 25, 2020.