Find the way home / RFID, ID KEY ,

The plastic key is one of key Chain building with RFID tag for mentally challenged child and Alzheimer\'s disease In order to prevent them can\'t find the way home from their disease, because they may lose their memory.
The form of key have meaning for go home and simple to use. Therefore the key
The Render was design in a lock form, it can get message from the RFID key. The nursing staff, police officer can find the message to know who is he or where he live and how to contact their family.