Allows user to select minimum fan idle speed between 25% & 60% of fan rating. Enables the user to activate/deactivate low-temperature safety feature. Temperature control range is 55 ° F to 95 ° F. 6 ft temperature probe is accurate to within 2 ° F. Enclosure protects internal components from dust, rust, and moisture. 6 Amps maximum/120 V/60 Hz.