Dimplex #ETD620W2 Electronic Line Voltage Thermostat Double Pole, White Electronic thermostat provides even, efficient heat for perfect comfort as the Smart Program Technology learns and remembers characteristics of your rooms heat loss, and responds to provide optimum comfort Temperature Range - 40-85 Degree F Electronic disconnect switch Cycle-to- cycle accuracy of 0.1 C / 0.2 F Lead wires are enclosed into switch for safety  no exposed electrical contacts