B3M Flush Mount 7 Day Programmable Thermostat Touch Screen Unlimited Ways to Program Including 7 Day, 5-1-1 and 5-2 ReviewbP PP 3M Flush Mount 7 Day Programmable Thermostat Touch Screen Unlimited Ways to Program Including 7 Day, 5-1-1 and 5-2 PUnlimited ways to program including 7 day, 5-1-1 and 5-2PVacation and holiday program Energy-saving easy programmingPChange filter indicator for cleaner airPNot for use with 115230 VAC wall or baseboard electric heatersPMercury free Compatible with all popular residential central heating and air conditioning systems.