Are you controlling it via Home Assistant? If so,mplease share your yaml so we can understand your approach and propose something.
Share the reps you have tried and which error you have…
Anyways there is one integration on HACS that looks quite promising:
How are you trying to connect and which error message you got?
Please take a look at this discussion:
What is the problem and how are you trying t8 connect it?
Which model is your thermometer? Do you have at list a link for the device in Amazon or other place where we could try to understand which device it is?