Pro1® Thermostat, Non-Programmable Thermostat, 44 to 90 deg F Control, R, C, W/Y, G Terminal Designations, Heat/Cool/Off System Switching, Auto/On Fan Switching, 2 Stage, 1 Stages Heat, 1 Stages Cool, 90% Non-Condensing Humidity, LCD Display, 24 VAC, Battery/Hardwired Power Source, Junction Box/Wall Mounting, White, 4.7 in W x 1.1 in D x 4.4 in H, Import