The Derale 18748 Standard Single Stage 180 Degree Fan Controller comes with a thread-in probe for convenient installation. It is designed to effectively control the operation of your vehicle's cooling fan, ensuring that the engine stays at the optimal temperature. The product is manufactured by Derale and includes a 1-year manufacturer warranty for added peace of mind. Perfect for those looking to enhance their engine cooling system, this fan controller is a reliable and efficient choice for maintaining the performance of your car or truck.