Digital wireless 4 channels 7 inch monitor DVR & 4 x 1080p IR cameras for truck caravan rear view reverse system. 360 degree panoramic view, 4 channels’ camera provide front + rear + left +right view. 165ft (50m) long distance signal transmission, fit most of vehicles, such as truck, semi truck, box, comper, caravan, motohome, bus etc. Multiple display method, the monitor can display 1 channel / 2 channels /3 chennals /4 channels images at one time on full screen. Loop recording, monitor works with 32g/64g/128g/256g/ above class 10 tf memory card. Zoom image, image can be magnified by clicking the second button to view enlargement. 1x 7 inch monitor. 1x U style Bracket. 1x set of scrws.