This Chromatic Windmill Fan Speed controller supports many unique features such as fan control, temperature display, overheat alarm and more! It has the ability to control up to 7 fans, 3 temperature sensors, and a hard disk read/write indicator. With its bright and colorful display, the LCD screen shows the fan speed and temperature as well as the year, month, date and time. Easy to install, this Chromatic Windmill fits easily into any 5.25-inch drive bay. For the perfect balance of noise reduction and cooling ability, order this Chromatic Windmill Fan Speed controller!