iLIVING Thermospee Controller, model# ILG8SFST, is an easy plug and play design to control your variable speed fan. the Thermospeed controller is designed with a precision temperature sensor that allows the fan to cycle ON and OFF automatically at your desired settings. UL listed, 120V, 60Hz, 3A FLA, 18A LRA. Engineered and designed by iLIVING in California.