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