I cannot find my paper work for MHCOZY WIFI Wireless Smart Switch Relay Module for Smart Home 5V 5V/12V，Ba applied to access control, turn on PC, garage door (5v). Do you have one?
Do you mean this one? I would think you’d be able to find the info wherever you bought it originally.
https://www.amazon.com/MHCOZY-Wireless-Switch-applied-control/dp/B0752P57ZG?ref_=ast_bbp_dp