This speed controller has a delicate and practical housing that is waterproof so you can use it outdoors<br> <br> Comes with screw terminal and power and motor electrode indication label for convenient wiring<br> <br> DC motor controller input is connected to direct current, can not be connected to alternating current, or it will be burned<br> <br> Make sure the positive and negative polarity are correctly connected, otherwise the controller will be damaged<br> <br> Suitable for 12V motors with power less than 120W, 24V motors with power less than 240W, etc.<br> <br> Product description<br> <br> Features:<br> <br> Potentiometer resistance: B100K<br> <br> Input voltage range: DC 10V-60V<br> <br> Output voltage: 0- of input voltage<br> <br> Control power: 12V*10A=120W, 24V*10A=240W<br> <br> Rated current: 10A<br> <br> Max Current: 20A<br> <br> Speed range: 5% -<br> <br> PWM frequency: 25Khz<br> <br> Size: 88 x 59 x 35mm / 3.46 x 2.32 x 1.38"<br> <br> Tap Hole Size: 8mm / 0.31"<br> <br> Package includes:1 x speed controller Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.