Features Equipped with practical screw terminals for quick wire connection. This motor speed controller would change the direction of rotation that causes the motor to reverse direction. This is a simple and user-friendly speed controller for DC brush motors with elegant appearance and stable performance. The speed controller is made of a high-quality circuit board, which ensures a longer service life. Convenient to use, just turn the knob to change the power to change the speed of the brush motor. Specification: Applicable motor: brush motor Input voltage: DC 6V 12V 24V Maximum current: 3 A. Size: approx. 50 x 32 x 15 mm / 2 x 1.3 x 0.6 inches. Weight: approx. 34 g / 1.2 ounces. Package list: 1 x PWM motor speed controller. Note: Connected to a DC supply, do not connect the 220 V household AC power directly. This is not a power module, the motor must be connected to the motor to control the speed, the output of the multimeter does not change without a motor. This controller is used for DC brush motors. Not suitable for speed adjustment of brushless DC motors; nor can it be used as a voltage regulator or stabiliser. The reuse is Package List