Sign up for an Award
Participate with your entry in one of our professional or student awards.
Sign up for an awardLearn more:
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
Unsupported browser
You are using an outdated browser. Please upgrade your browser to improve your experience.
Have you found that you can`t find the keyhole when you open the door? Our sight will be weakened in the dark, sometimes it is hard to find the keyhole to open the door, so we need a key with light that can help us to find the keyhole easily.
Huaqiao University
Xiamen,Fujian, China
Xin Liu
