Traffic Assistant / Traffic lights

Because our view was blocked,when driving a small car behind a large automobile,we can not see the traffic lights and road conditions,and we can not prejudge the actions of the large automobile.It is likely to run red lights and cause rear-end collision .
This product is placed on the marker line at the junction,and the lights on both sides follow the changes of the traffic lights.The car can see the traffic lights' change although your line of sight is blocked.You can make judgments in time to avoid rear-end collision and violation of traffic rules.