Honeywell Electric Heat Thermostat, 24 Vac, 7 Day Programmable, Vertical Mount, 32-120 Degree Operating Temperature, 1 Degree Differential Temperature, Used with Baseboard Heaters, Radiant Ceilling, Convectors or Fan Forced Heaters, White in Color, 15 Second Cycles, With Backlit Display, External Solid State Relay