The Cadet Smart-Base 5-1-1 Day Programmable Baseboard Thermostat is designed specifically for Cadet F Series electric baseboard heaters. It allows you to create a heating schedule specific to your needs for weekdays and weekends, with precise digital temperature sensing that's accurate to within 2°F. It can be installed on either end of standard Cadet 208/240-Volt baseboards and is available only in double pole (4 wire) with positive off position.