Features: The product activates the fan at 200 degrees and turns off at 185 degrees, or activates the fan at 185 degrees and turns off at 175 degrees. This electric cooling fan temperature sensor switch is used for measuring the temperature of liquids such as water, motor oil, and coolant. Suitable for most engine blocks, radiators, manifolds, or water outlets. Constructed of metal for durability and long service life. Designed for applications with a 3/8" NPT port. Specifications: Component: Metal Color: Copper Tone Size: 5.5 x 1.9 cm / 2.17 x 0.75 inches Thread Size: 3/8" NPT Top of Threads to Tip Length: 3.18 cm / 1.25 inches Fan On Temperature: 200°F / 185°F (optional) Fan Turn Off Temperature: 185°F / 175°F (optional) Package Includes: 1 x Temperature Control Sensor Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the picture may not reflect the actual color of the item. 3. Please carefully confirm the product specifications before purchasing. Thank you for your understanding.