The Guardian Alert 911 is a must have home heath care accessory. This small communication device ensures you or a loved one is able to call emergency services at all times.If you or a loved one were to have a medical emergency in the home, would you be able to reach the phone to call for help? For complete peace of mind, make sure that you will have access to the help you may need. The 911 Guardian Phone is smaller than most cell phones and features a tiny cordless speakerphone that's small enough to be worn around your neck on the included lanyard. This emergency communication device offers one-button dialing to a 911 operator, not a call center. The 911 Guardian Phone runs on a single AAA battery, which is included with the kit and there are no monthly subscriptions or services fees for you to pay.