The guide plate is a new type of vehicle-type traffic light. The guide card set is composed of left and right display card and operation control box, exquisite and beautiful in appearance, simple in operation and easy to install. Its advantages are overall light weight, low power consumption during use, long service life, long visual distance, good visual effect. The guide plate is widely used, such as engineering emergency vehicle, sprinkler, road construction vehicle, road maintenance vehicle, road sweeper and road warning signs.