Meross 3 Way Switch
Available from:
Amazon.ca
Manufacturer:
Meross.com
Wi-Fi Module:
MT7682SN
Try to avoid similar devices from other sellers using same images and descriptions!
You can solder an ESP12-E instead of the Mediatek module and this template works:
'{"NAME":"Meross MSS550","GPIO":[17,0,46,0,52,53,0,0,0,0,0,21,0],"FLAG":0,"BASE":18}'