Feature:1. This 1803BK DC motor speed controller allows you to use pulse width modulated DC voltage (PWM) to control the direction of the DC motor.2. Has a duty cycle that completely adjusts the product from 0% to 100%.3. With 2A self‑recovery fuse and power LED light, it is more convenient to use.4. This product can provide 2A DC current for your DC motor or other DC load.5. If the current is too large, it will automatically disconnect, and the fuse will automatically recover after cooling.Spec:Condition:100% Brand New Item Type: PWM DC Motor Speed ControllerInput Voltage Range: Within DC1.8-15VApplicable Current: Within 2AWith switch functionEquipped with self-recovery fuse.If the current is too large, it will automatically disconnect, and the fuse will automatically recover after cooling.Package List:2 xPWM DC Motor Speed Controller