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      - 24-hour fall detection: Utilizes thermal sensing and millimeter-wave radar technology for detection. 
 - Privacy protection: does not use cameras or recording devices. thermal sensing is used to detect the presence of a person, while millimeter-wave radar is used to determine object height. 
 - Wearable-free: uses remote radar sensing technology, so seniors do not need to wear any devices. 
 - Three-stage fall detection: categorizes falls into possible falls, falls, and failure to get up after a fall. When a fall occurs, a notification is sent to caregivers. 
 - 24-hour customer service system: in the event of a fall, the system notifies both caregivers and the customer service system for double protection of senior safety. 
 
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      O.NaVi 
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