The Super Sprouter™ Digital Heat Mat Thermostat is easy to use. Simply plug the heat mat into the thermostat and place the temperature probe in desired location. The temperature control range is 68°F - 108°F (20°C - 42°C). Temperature is easily viewed through the back lit digital display, allowing you to accurately set ideal germinating or rooting temperatures. Maximum current rating is 8.3 amps/1000 watts. 6 ft power cord and probe with suction cup.