LerLink 1 Gang No Neutral Switch (X801A-L)
Configuration (old format, will be converted to new template when applied)
December 2022: The Lerlink X801A is now being shipped with a WB3S module. It is likely that other Lerlink models come with this module also, but this is unknown.
VCC, GND, TX and RX all labeled on back. Ground TP0 for flashing.