Honeywell Electric Heat Thermostat, 120 to 277 VAC, 22 A at 120 to 240 VAC and 19 A at 277 VAC Non-Inductive Resistive, 2280 to 6094 W Power, 60 Hz Frequency, 1 Heat Stages, Switch Position: Positive Off (System), DPST Switch, Bi-Metal Sensing Element, 3 deg F Differential, 40 to 80 deg F Settings, 40 to 85 deg F Ambient, 6 in Copper Lead Wire Connection, 2 deg C Accuracy, Hardwired Power Source, Vertical Mounting, Dimensions: 4-1/2 in H x 2-3/4 in W x 2-1/4 in D, White