Digital Temperature Controller, For Heat Mat, Water Resistant & Comes With A Stainless Steel Temperature Probe, Provides Constant Optimum Temperatures For Specific Crops, Controls Temperature In Colder Or Warmer Environments, Controllable Range From 68-108 Degrees Fahrenheit, Has Celsius Or Fahrenheit Read Out, Press Up Or Down Button To Change, Max Current 8.3A, 1,000W.