Speed Controller: This product is a speed controller for hand drills, polishing machines, angle grinders, and fans. It offers seamless speed adjustment for optimal control. Material: Made from sturdy PP material, this motor speed controller is designed to withstand regular use while maintaining its functionality. Product Dimensions: With dimensions of 12cm x 6.5cm x 5.5cm, this compact size makes it easy to install and use without taking up too much space. Adjustable Speed Switch: Comes with an adjustable speed switch that allows you to control the speed of your devices effortlessly according to your needs. Package Includes: 1 x Motor Speed Controller (220V-240V) Specification: Material: PP Size: 12cm x 6.5cm x 5.5cm / 4.72 inch x 2.56 inch x 2.17 inch Note: Please allow slight measurement deviations of 1-2cm due to manual measurement.