Electric Heat Thermostat, 120 Vac, SPST Switching, 40-86 Degree Temperature Setting, 4 Cycles Per Hour, 0.9 Degree Accuracy, 1 Degree Differential, White, Vertical Mount, Backlight, On/Standby Switch, 15 Minute CyclesUsed for Electric Heating, Baseboard Heater, Radiant Ceiling, Convector or Fan Forced Heater