1.Extensive digital screen display with elegant design. 2.Wide power terminal arrangement in solution to any related electrical breakdown issues. 3.Accessible ON/OFF function to facilitate operation. 4.Improved navigation keys for quick temperature setting. 5.Provides signal indicators for easy abnormalities decetion. 6.With proportional control to stabilize heat as the temperature reaches to setpoint. 7. Uses a systematic approach to help automatically determine and process the arrival of temperature at a given timing condition. 8.Wide time range selectable in the following formats: 999(hour), 999(min),999(sec),99.5(h.m) 9.Acessible time adjustment even during in the operation mode. 10.Interchangeable output contact: A contact, B contact. 11.Automatic temperature compensation control which help keeps the temperature more accurate. 12. Can suit 2 alarms to make applications more flexible. 13.Selectable heating or cooling system to choose from.