The Honeywell LARGE DIGIT, easy to read,TH6220D1028 is the latest generation of Honeywell FocusPro 6000 digital thermostats. This Programmable digital thermostat features 5 day weekday, Saturday and Sunday individual programs. The large Backlit display is easy to read and adjust. It can be programmed for manual or automatic system changeover from heating to cooling. This premium unit can be installed on all types of 24 volt or millivolt systems including heat pumps. Has 2 stage of heat and 2 stage of cooling control. Built in compressor delay to prevent damage due to short cycling. This is an ideal choice for your heat pump application. This thermostat can be used for heat pumps with back up heat or conventional heating, cooling, or heating & cooling systems. It also features the ability to program in a maximum heat temperature and a minimum cooling temperature.