1. Automatically to get the balance between system temperature and noise 

2. Support 2 thermal sensors to detect ambient temperature

3. Support 4 fan tachometers and speed control 

4. No batteries required connects directly to your PC's power source

5. Provides 4 push buttons to set board configuration easily

6. Unit quickly installs in 5. 25'bay and provides an option for hard drives fixing

7. Build-in an LCD panel to display temperature and fan speed immediately

8. Graphic to show system ambient status and fan speed status

9. Provide a buzzer and graphic blinking for system alert, if any error is occurred or system temperature higher than your setting 

10. Get more system thermal budget to protect system 

11. Reduce adjusting times when the season or temperature change

12. Keep the electronic equipment life and performances

More information:http://www.tengdaelectronics.com/processor-temperature-monitor/