1PCS 5A PWM Max 90W DC Motor Speed Controller Board Module DC-DC 4.5V-35V Mini Speed Control Switch With LED Indicator

Specifications:Operating voltage: DC4.5V-35VOutput current: 0-5AOutput power: 90W (max)Quiescent current: 7uA (standby)PWM duty cycle: 1% -100%PWM frequency: 20khzSize: 30mm x 26mm x 14mm (Without Handle)Precautions:DC motor governor input is DC, can not directly connected to the AC (for example: home 220V AC), otherwise it will burn!!!DC power supply positive and negative terminals do not reverse, otherwise the governor may be damaged.The motor can be positive or negative, when the direction of operation and expectations do not match, you can adjust the line order to change the direction.Adjust the potentiometer knob to change the governor output duty cycle, the motor speed changes.Package Included:1 x PWM DC Motor Speed ControllerAfter purchase:1. If you are satisfied, please give a five-star praise.2. Before you give a bad review, please contact us. We are happy to help and will do our best to solve the problem.If you receive a defective item, please contact us immediately and provide product pictures or videos.