One program for the entire week-4 periods per day Digital display;Dimensions: 3-3/8 inches wide x 4-3/4 inches. high x 1-1/8 inches deep. Compatible with heating, cooling and heat pumps without auxiliary heat, Accurate temperature control of +/-1-Degree F for consistent comfort Display options: Fahrenheit or Celsius temperature display, 12 or 24 hour clock Still in unopened packages and in original shipping box....paid # 39+tax asking$25 each or $75 for all 4 Pick up in Rockland