_x000D_ This is a simple and easy-to-use DC motor speed controller of small size, elegant appearance and stable performance. It is made with high quality circuit board which ensures a longer service life. The input voltage can be DC 10V to 60V and output voltage is 0-100% of the input voltage. This speed controller is quite convenient to set. _x000D_ _x000D_ _x000D_ Features: _x000D_ This speed controller has a delicate and practical housing which is waterproof so you can use it out of doors. _x000D_ Comes with screw terminal and a indication label of power and motor electrodes for convenient wiring. _x000D_ DC motor controller input is connected to direct current, can not be connected to alternating current, or it will be burnt. _x000D_ Make sure the positive and negative polarity is connected correctly, otherwise the controller will be damaged. _x000D_ Suitable for 12V motors with power less than 120W, 24V motors with power less than 240W, etc. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Potentiometer Resistance: B100K _x000D_ Input Voltage Range: DC 10V-60V_x000D_ Output Voltage: 0-100% of the input voltage_x000D_ Control Power: 12V*10A=120W,24V*10A=240W......_x000D_ Rated Current: 10A_x000D_ Max Current: 20A_x000D_ Speed Range: 5%-100%_x000D_ PWM Frequency: 25Khz_x000D_ Size: 88 x 59 x 40mm / 3.46 x 2.32 x 1.57" _x000D_ Tap Hole Size: 8mm / 0.31" _x000D_ _x000D_ _x000D_ Package Includes: _x000D_ 1 x Speed Controller 1This speed controller has a delicate and practical housing which is waterproof so you can use it out of doors 2Comes with screw terminal and a indication label of power and motor electrodes for convenient wiring 3DC motor controller input is connected to direct current, can not be connected to alternating current, or it will be burnt 4Make sure the positive and negative polarity is connected correctly, otherwise the controller will be damaged 5Suitable for 12V motors with power less than 120W, 24V motors with power less than 240W, etc