A rearview camera and display system for a motor vehicle which comprises a low light level, wide angle camera mounted securely in a hitch cover which receives power from the hitch power plug, and supplies said power and video signal with blind spot information to a display monitor located in the vicinity...http://www.google.se/patents/US20030133014?utm_source=gb-gplus-sharePatent US20030133014 - Motor vehicle rearview camera system and hitch cover with display
