Features High Precision Speed Control: Wide speed adjustment range ensures stable and efficient performance, providing control over your DC motor's speed. Versatile Input and Output: Supports 110V AC input and 110V DC output, allowing for direct start-up with DC voltage, enhancing ease of use and compatibility. Reversible Rotation Direction: Easily reverse CW and CCW rotation direction of your DC motor by changing the wiring between M+ and M- terminals, providing greater flexibility. Wide Compatibility: Perfectly suited for 50W, 100W, 120W, 200W, 300W, 400W, and more, offering flexible application across various motor types. Easy Installation: Compact and lightweight design enables quick and convenient installation, saving time and effort for users. Features: 1、Higher Accuracy: Wide in speed adjustment range, the DC motor speed controller ensures the stable working performance with high efficiency. 2、Standard Design: Supports 110V AC input and 110V DC output, the motor speed regulator enables direct start up when there is DC voltage. 3、Reversible Uses: To reverse the CW and CCW rotation direction of your DC motor, you can changing the wiring between M+ and M- terminals. 4、Wide in Fitting: Suits perfectly for 50W, 100W, 120W, 200W, 300W, 400W and so on, the motor speed control switch has flexible application. 5、Easy to Install: Compact in size and light in weight as well, the DC motor speed controller is very convenient to install within minutes. Specification: Item Type: DC Motor Speed Controller Input: 110V AC Output: 110V DC Overall Dimension: Approx. 100 x 60 x 114mm / 3.94 x 2.36 x 4.49in Opening Size: Approx. 81 x 5m / 3.19 x 2.09in Installation Method: Panel Screw Installation Package List: 1 x DC Motor Speed Controller Package List 1 x DC Motor Speed Controller