Standard Features - Weekday/Weekend Programming One program for the weekdays and a separate program for the weekends with 4 program periods per day - Easy to Use Straightforward display keeps operation and programming simple - Precise temperature control of +/-1 F to maximize comfort - Works with heating and cooling systems plus some heat pumps - Does not work with heat pump systems with back-up heat, multi-stage heating/cooling systems and electric baseboard heat (120-240V) - Available in Canada only - 1-Year Warranty