Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
When a car accident occurs, the second car will risk crashing into it. It is no doubt that a warning sign needs setting to save the driver. To shorten the time that the driver puts the sign, the Air-Alarm has a special automatic system inside wings.(Shorten the warning time, and save the driver!)
cian hui Yang,