Temperature control range is 55ﾰF to 95ﾰF. Controls cooling or heating equipment. Day and night settings keep temperature within 4ﾰF of set point. 6 ft temperature probe is accurate to within 2ﾰF. Enclosure protects internal components from dust, rust and moisture. ETL listed for commercial applications. 15 Amps/ 120 V/ 60 Hz.