This is a bluetooth proxy for HomeAssistant, which can be used to connect to ld2410 or other bluetooth devices, such as switchbot, pretty nice little thing.  

The power port is type-c.  

Due to the limitations of the EPSHome mechanism, you need to use the ESP Web Tool for serial port mating and cannot use hotspot mating.  
After mating you will be able to discover the device automatically in Home Assistant.