PWM Motor Speed Controller Waterproof Shell DC 10-60V 20A Pulse Width Modulator Driver RC Controller Speed Regulator Rotary Switches

DELICATE&PRACTICAL HOUSING: This speed controller has a delicate and practical housing which is waterproof so you can use it out of doors, SCREW TERMINAL: Comes with screw terminal and a indication label of power and motor electrodes for convenient wiring, DIRECT CURRENT: DC motor controller input is connected to direct current, can not be connected to alternating current, or it will be burnt, POSITIVE&NEGATIVE POLARITY: Make sure the positive and negative polarity is connected correctly, otherwise the controller will be damaged, MULTIPLE USAGE: Suitable for 12V motors with power less than 120W, 24V motors with power less than 240W, etc