[WiFi Wireless Elderly Home Alarm Button, Real-time App Notifications]: No additional receiver required, no monthly fee needed, just connect this caregiver alarm button to your home Wi-Fi network in a few simple steps. You can pair your mobile phone with the caregiver alarm button. When an elderly or patient needs help, they can simply press the SOS caregiver locator and you will immediately receive an app notification on your mobile phone, no matter where you are. NOTE: THE ELDERLY HOME ALARM BUTTON ONLY SUPPORTS 2.4G WIFI, NOT 5G WIFI. [Portable Elderly Home Alarm Clock, Easy to Use]: Double-sided tape and lanyard are included in the package; this is an elderly home alarm button that can be hung around the neck with a lanyard or attached to the wall with double-sided tape, making it easy to use. You will be notified via your mobile phone when someone presses the button. --NOTE: IF YOU WANT TO RECEIVE SMS AND EMAIL NOTIFICATIONS, YOU MUST PURCHASE A SUBSCRIPTION!!! [Multiple People Share]: Share with more family members via the sharing function in the app. After tapping the caregiver locator for the elderly, the person you shared with can also receive alarm notifications, allowing multiple family members to participate. [Versatile Applications]: This emergency button for the elderly can be used at home, in nursing homes, hospitals, clinics and more. Keep the host program close to the WiFi signal source for stable reception. [Gift for the Elderly]: This elderly monitoring system is an elderly assistance product, suitable for the elderly and others who need extra care. It gives the sick or elderly some privacy and independence, while providing peace of mind for their family members.