Manufacturer # 30911 Brand Guardian Alert 911 Manufacturer Logic Mark Application Personal Emergency Response System Color White / Gray / Blue Dimensions 0.75 X 1.88 X 3.88 Inch Power Source Battery 1 AAA Range 600 Feet 183m Line of Site Type Voice UNSPSC Code 42143608 Features The Guardian Alert 911 is the world's first personal emergency response system PERS that contains two-way voice communication in the pendant By pressing a single button, the Guardian Alert 911 automatically dials local emergency 911 dispatch The user will be able to communicate directly to the emergency operator through the pendant There are no monthly fees associated with the Guardian Alert 911 Once the unit is plugged into a power outlet and an active landline it is ready to use The medical pendant operates off of a battery for up to one year of stand-by time The medical pendant has extended range allowing coverage in the home and into the surrounding yard Package contents Pendant, base station, pendant battery, powe