Care Trak equipment is designed for individuals with special needs, such as Alzheimer's disease and Autism who wander from their home or care unit Care Trak is: - Simple: No buttons to activate search - Practical: System is small, It is worn on a 24 hours/7 days a week basis on the wrist or ankle and cannot come off. Highly water and shock resistant - Safe: System not affected by clouds, trees or buildings - Reliable: No GPS, no mobile phones, no bulky equipment - Proven: Over 2,000 documented rescues in the United States You own it with no outside control of your program. No software to buy. No annual dues, subscriptions or rental plans