One sensor is built in to the main unit the other sensor is a cable probe which is 5 foot long. I keep the main unit in the cool end and probe at the warm end. I have one in all 3 of my vivs and have no probs with them.
One sensor is built in to the main unit the other sensor is a cable probe which is 5 foot long. I keep the main unit in the cool end and probe at the warm end. I have one in all 3 of my vivs and have no probs with them.