Stay safe wherever life takes you with the SkyAngelSPORT Mobile Medical Alert Watch — the smart way for seniors and at-risk adults to access emergency help without a phone or subscription. With a single button, you can instantly call and speak with 911 anywhere there's cellular coverage. Automatic fall detection adds an extra layer of protection, dialing 911 services even if you can't reach the button. Engineered to be waterproof and comfortable for all-day wear, this watch is a complete safety solution that travels with you — providing confidence and independence without monthly fees. Pacemaker Safe. This unit has the most accurate GPS location services available today. The precision that 911 will be able to locate the unit can range from several feet to hundreds of feet based on the technology used by your local 911 center. This unit has full two-way voice communication and that should be the primary method to direct assistance to the user. 911 call centers all have varying policy on responding to calls when the user does not speak. If you are unable to speak and tell 911 your location they may not automatically send help. 911 Uses triangulation to determine your location, not GPS. Contact your local 911 center to inquire about their policy on non-verbal hang up calls if you are unable to speak. Instant 911 Calling — Speak directly through the wristwatch.---Smart Fall Detection — Automatic help when you need it most....One-time Cost — No monthly subscription required.... Waterproof & Everyday Wear — Designed for real life.