I linked the exact thermometer and the exact temperature controller that I have

https://www.amazon.com/Inkbird-Temperature-Controller-Thermostat-Greenhouse/dp/B015FKG4CC/ref=asc_df_B015FKG4CC

https://www.amazon.com/Evangelia-YM-Aquarium-Thermometer-Temperature-Sensing/dp/B086BQX3B1