@kkossev ,
Thank you for your reply. And thank you for your input.
I read your post: [RELEASE] Tuya Wall Mount Thermostat (Water/Electric Floor Heating) Zigbee driver as suggested by @amithalp .
I did a google search for the Avatto Model 1 but it seems this has gone out of production (?) and appears to be available only with WI-FI in the model with closest look and feel to the depicted one.
I found anotherone, perhaps the replacement,
Do you know if your driver for the model 1 would work with this one? (Is the model 1 you reffered to also battery driven?) I have not yet read the full thread regarding your driver, perhaps some of the others which initially was not fully compatible would also now be a choise?
EDIT: I now found this one which perhaps is the newer edition of the zigbee version? But I am not entirely convinced this actually is a zigbee version, it looks like the wi-fi only version?