Aube by Honeywell TH104/U Electric Heating 7-Day Programmable Thermostat,Aube by Honeywell,TH104/U" /> Compatible with electric baseboard, convector and fan-forced heaters. Also ideal for radiant ceilings 1750-Watt 120-Volt 14.6-Ampere resistive 60-Hertz 2-wires and SPST, 3500-Watt 240-Volt 14.6-Ampere resistive 60-Hertz 2-wires and SPST (minimum, 2-Ampere load) Battery-free backup means no re-programming your schedule after power outage Instructions inside front panel enable quick, easy programming Dimensions (height by width by depth): 4.9-Inch by 5-Inch by 1.7-Inch