Thermostat Digital Dawn, allows to program 7 days (up to 4 settings per day - each day can be programmed differently). Backlit liquid crystal display. Maximum load 4,000 watts at 240 volts, 2 wires or 2000 watts at 120 volts, 2 wires. No change in temperature (+/- 0.15 Celsius / 0.27 Fahrenheit precipitation). Compatible with electric baseboards, convectors and fan coil units.