A lightweight safety tool crafted for solo dwellers, establishing invisible safety protection through check-in monitoring and emergency contact mechanisms to make solitary life more reassuring · Automatic Notification for Unchecked-In Days · Set up one emergency contact (family member or friend) in advance. If you haven’t checked in via the app for consecutive days, the system will automatically send an email to them the next day to promptly convey safety anomalies and gain critical interventio