This premier mobile alert system provides freedom with security. With the touch of a button, you can talk with 911, anytime, from virtually anywhere. Other products like a traditional Personal Emergency Response System (PERS) only allow you to call for help within 150 to 600 feet away of a base station. Unlike a PERS, SkyAngel911Wrist? works both indoors and outdoors to ensure you have peace of mind knowing that help is always available. Powerful Features: * 1-Button call for assistance * Waterproof * Automatic Fall Detection * Easy charging with magnetic contact to back of unit * Instant 2-way speakerphone communication with 911 * Can work for several days between charges, when fully charged * No Monthly Fees, EVER! * Freedom to leave your home and carry the 'Angel' with you * One-year FULL WARRANTY on all equipment * Expandable to provide GPS location and tracking as well as ability to call other numbers in addition to 911