VM was clearly an acronym.0

It was an acronym for Vital Monitor, and it was the standard configuration of almost all shelters.4

Even so, Chu Guang had never seen one before.0

The gadget was more like a wrist-mounted computer that integrated physical examination, positioning, communication, maps, and black box functions rather than functioning just as a vital monitor.2

As if the system was worried that Chu Guang would not know how to use it, it quickly provided the instruction manual and presented it in front of Chu Guang in the form of a light blue interface.1

[1. This device monitors the user's vital activities, collects information including heart rate, respiration, blood pressure, blood oxygen concentration, hormones in sweat, DNA form, etc., and performs comprehensive analysis on the collected information and presents it in the form of specific data.]0

[2. After it has stopped detecting vital signs, the VM will automatically archive the dying records in the cached data, and continuously send encrypted signals containing its relative distance and location information through the transmitter in the chip to facilitate recovery missions of search and rescue personnel.]3

[3. The VM device can intermittently emit lasers of a specific frequency within a certain range to perform three-dimensional surveying and mapping of...2