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.
Design description: key ring on the birth of the high-tech light and sound materials, master can be in one's own out the door device a small sensor, when the master went to induction place, no induction to key in the body, so the key ring will sound and flash to remind owner take the keys, and flash can also make host quickly find the key. When sensors detect the key in his body, so key ring will not send hint sound and flash.