Enhance your driving comfort with the Adjustable Speed Motor Controller. This electronic controller is perfect for regulating the speed of your car's heater fan, providing optimal airflow in any weather. The universal design fits a wide range of vehicles, and the PVC material used in its construction ensures performance. Its user-friendly interface makes speed adjustments effortless. Features -Color:White -Material:PVC -Size:5.00X3.00X3.00cm/1.97X1.18X1.18in -This electronic controller offers seamless dimming capabilities, allowing for precise adjustments to fan speed in automotive settings. -Designed specifically for automotive use, this electronic controller ensures easy installation and user-friendly operation, significantly improving the overall user experience. -The fan speed can be meticulously adjusted to accommodate different seasons and temperature changes, providing optimal comfort throughout the year. -Constructed from sturdy PVC materials, this motor controller is built to withstand harsh conditions, ensuring durability and performance. -Equipped with safety features such as overheat and short circuit protection, this device ensures safe operation at all times. Package list: 1 controller