Check the listing for details. Mobile Medical Alert No Monthly Charges - Fall Detection - 911 SOS Watch. Color: Black, Condition: New. Listed at 169.77 USD. 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