Manufacturer #35911 Brand FreedomAlert Manufacturer Logic Mark Application Personal Emergency Response System Color White / Blue Dimensions 0.75 X 1.25 X 3 Inch Power Source Pendant Battery Lithium-Ion Rechargeable Base Battery AA NiMH Rechargeable available only through LogicMark Range 600 Feet 183m Line of Site Type Voice UNSPSC Code 42143607 Features FreedomAlert is the world's first programmable two-way voice pendant communicator with no monthly fees The FreedomAlert has the ability to be programmed with up to four 4 contacts to call anytime The system can be customized with the three position switch on the back of the base unit to select one of three modes Power outlet and an active landline are all that is needed for the unit to operate The medical pendant is powered by a lithium-ion battery that lasts up to 6 months on a single charge Audible prompts and confirmations during set-up and testing 24 hour emergency battery back-up Water resistant pendant 1 Each / Each