1、This DC motor speed regulator is highly efficient, accurate and reliable, and has good long-term stability. 2、The PWM DC motor speed controller with switch is small in size, low in power consumption and fast in response. 3、Using high‑quality materials, strong and durable, has a long service life. 4、The motor speed controller can easily provide a continuous current of 3A to your DC motor or other DC load. 5、This DC motor governor has undergone many safety tests and is safe and reliable. Features: The motor speed controller can easily provide a continuous current of3A to your DC motor or other DC load. Main technical parameters: - The maximum output power: 80W - The maximum continuous output current :3A - Duty Cycle adjustable: 5%-100% Quantity:1PC Operating instruction: 1. Connect your DC motor (or DC load) to the motor terminals as indicated on the wiring diagram. 3. You can now control the speed of the motor through potentiometer. Package included: 1 x DC 6V - 28V 3A PWM Motor Speed Variable Regulator Controller Switch