[Life Alert Systems]Our medical alert systems for seniors to call out to a family member or care giver. This buzzer for elderly is large and easy to activate, This makes it ideal for person with restricted or limited movement. Silicon caregiver call buttonprovides a positive tactile response when pressed [SOS Button] These caregiver pagers for elderly were easy to set up and plug in.The ring bell for seniors comes with a bracket that can be fixed to the wall. Call bell for patients at home can also be worn around neck with lanyard provided or mountedon headboard bedside or bathroom wall [Emergency Pager]The life alert for seniors is set to long ring mode by default, when call button for elderly at home is pressed, the receiver will ring all the time, unless you press the stop button, so you don't miss any calls [High Quality]Call bell for elderly are waterproof. Whether you install it in the washroom or take it outside on a rainy day, you don't have to worry about this caregiver pager panic button getting wet.It requires 4 CR2023 batteries which are alreadyincluded and not rechargeable