Feature: 1. Wireless WiFi Connectivity: It is equipped with an intelligent SOS call button that connects to your home WiFi and can be added to the smartphone app. 2. Quick Alert: In case an elderly individual needs help, they just need to press the call button . This sends an quick alert so help can be provided immediately. (please note: the distance between the call button and the WiFi should not exceed 32.8ft) 3. Battery Monitoring: When the SOS button is connected to the mobile app via 2.4GHz WiFi, battery levels of the transmitter can be viewed on the app, providing timely reminders for recharging and preventing potential emergencies due to power loss. 4. Range and Compatibility: The emergency call button has a transmission range of up to 32.8ft within WiFi and can be used in various settings such as homes, hospitals, and nursing homes. 5. Easy Alert System: With just a gentle press of the WiFi call button, caregivers can receive alerts immediately. Its design optimizing the chance for prompt response and appropriate action. Specification: Item Type: Smart Call Button Material: ABS Communication Method: Wireless WiFi6 2.4G Application: Smart Life Operating Voltage: 3.7V Alarm Current: 12mA Operating Temperature: -10~60°C Transmission Frequency: 433MHz Static Current: 0.1uA Charging Time: ≤1 hour Usage Range: Up to 10m within WiFi Battery: 3.7V/400mAh Built in Lithium Battery (included) Applicability: Home, Hospital, Nursing Home, etc.. Package List: 1 x Smart Call Button 1 x USB Charging Cable 1 x Sticker 1 x Instruction Manual