This thermostat is suitable for electric heat only. It has a backlit display that can be easily corrected manually. Compatible with electric baseboards, convectors and fan-forced heaters. It features 2-wire installation, without polarity, for quick and simple installation. Temperature settings between 5°C and 27°C (40°F and 80°F). Precise LCD shows room temperature in increments of 0.1°C or 1°F. 1-year warranty.