A communicating wristlet
Safety wristlet is a communication device that helps you look after your child - Let the kids go out and let them have fun, but let them know when to come back home, for instance. The wristlet is solar energy powered message receiver. The message can be either a text or a graphic symbol alerted by a beep.
The message wristlet is comfortable to wear and uneasy to lose. Waterproof covering contains of electronics and a sheet metal that ensures easy clasp.