Fangrui Product Details Press The Nurse Call Button To Sendwireless Signalto Pager And Alert Carer Assistance Is Required. Miss A Call From The Loved One.no Matter If You Are Looking For Simple Bed Alarms Or Alert System For Elderly At Home Or This Is Anaffordable And Reliablesolution. Portable Caregiver Pager: This Wireless Pager System Allows Caregiver Or Care Taker The Freedom To Attend Other Tasks While Receiving Alert From Residents, Seniors, Elderly And Loved Ones. Makes Caring For Your Loved One Easier. With A Simple Touch Of The Sos Call Button To Seek Help And Assistance From Caregiver. The Signal Coverage Between The Call Button To Pager System Is Up To 500 Feet. The Wireless Signal Carriesa Cross 2-3 Floors Easily. Miss A Call From Your Loved One.this Is Especially Beneficial For Families With Spacious Living Arrangements, Providing Comprehensive Coverage For Those At Risk Of Falls Or Needing Extra Assistance. Receiver Button Gray And White Models Are Sent Randomly,specified Color Is Not