When elders are home alone, they could not seek help from family members. The [OTT] Wireless Distress Bell has the function for emergency calls, extended application for Wi-Fi care bells for elders, no monthly fees, just remain linkage of Wi-Fi, to call and receive messages. Easy setting: Through the app on the phone, connect the home-use Wi-Fi network, and bind the mobile of the family members/ caregiver needed to contact. Elders or caregivers at home, when help is needed, there is no need to memorise the phone numbers, just press on the device, and it will automatically send voice messages, notify the family members/ caregivers that are bind initially, when they pick up the phone, communication will be viable for both elder and caregiver.