Sign up for an Award
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.
In our daily life, we often meet the situation that it is difficult to find the keyhole because of darkness, the
situation is even more serious and commom in many developing areas.
And the glowing key is designed for this situation, it is convenient, and you don’t have to turn on the lights, so it saves energy.
Junnan Yu Fengjiao Cai