And displaying alert symbol for informing the drivers or pedestrians can avoid adjusting the angle and direction through the dead ends or sight obstacles so as to achieve the safety of pedestrians and traffic.
And display warning signs to inform the driver or pedestrian. Can also be adjusted by angle and direction. Avoid dead ends or obstacles in sight. Thus achieve the safety of the road and pedestrians.
And display warning signs to inform the opposite driver or pedestrian. It can also adjust the angle and direction to avoid dead angle or obstacle on the line of sight, so as to achieve the safety of driving and pedestrian<br>