This PWM DC motor speed controller is designed to provide precise control over motor speed. It features a switch function that allows users to easily adjust the speed of their motors. The compact design ensures it can fit into various applications, making it ideal for hobbyists and professionals alike. Features -Color:Green -Material:Metal -Size:5.50X3.50X2.50cm/2.16X1.38X0.98in -Precision voltage adjustment: adjustable voltage settings of 1.8v, 3v, 5v, 6v, and 12v cater to various dc motor speed control needs, ensuring precise and efficient operation -Userfriendly design: the 1803bk speed control switch features a simple design with a on/off function, making it easy and convenient to use -Stable and reliable performance: with a 2a speed control capacity, this device ensures stable and reliable motor operation, protecting the motor from potential damage -Enhanced efficiency: by providing precise speed control, this device allows for flexible motor speed adjustments based on actual needs, thereby improving overall work efficiency -Versatile applications: suitable for various dc motor speed control applications, this device is widely used in mechanical equipment, electronic products, model making, and more Package list: 20 x PWM DC Motor Speed Controller