... want.It also can be used in a bad traffic,to express your mood,and in the dark nigt, ... long as pack good battery, then"remote control" and "LED display dish" sucker with fixed to the proper place ... inside the car..Remote-controlled LED car messaging sign.Affix to your rear window with ... charger.6.6.When an emergency accident happen,the led display can flash 5 times per second,to let ...