Bosch F.01U.140.051 is a wristband transmitter designed to provide dementia alarm functionality. It features a manual trigger button for the user to call for assistance, and it can also detect and automatically trigger an alarm in case of dementia-related wandering or disorientation. The device is intended for use by individuals with dementia or other cognitive impairments, and it can help caregivers monitor and locate the wearer in case they wander off or become lost.