Description: 【Versatile】: Designed with OEM part numbers 0444 and DC0444, this fan switch kit is suitable for both 12V and 24V applications. Please note that a standard 24V relay is required if you plan to operate a 24V fan 【Adjustable Temperature Range】: The controller offers an adjustable temperature range from 104°F to 230°F (40°C to 110°C), displayed on an LED digital screen in either Celsius or Fahrenheit. Easily adjust the settings using the provided buttons for optimal performance 【Premium Construction】: Crafted from quality PP material, this digital radiator fan controller is built to withstand the rigors of daily driving and competition conditions, ensuring durability and longevity while providing accurate temperature control for your cooling system 【Portable】: Electric Thermatic Fan Switch Kit is portable, making it easy to fit into tight space within your vehicle' engine bay 【High Performance】: Designed for high temperature environments and air conditioning operation, this controller efficiently manages a or two fans. The double relay setup ensures that the second fan activates with a 10s delay after the first, optimizing cooling performance Specification: Material: PP, OE Part Numbers: DC0444 Size Chart: Package Size: 15cmx9cmx7cm/5.91inchx3.54inchx2.76inch Package Includes: 1 Piece Digital Radiator Fan Controller Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.