Features: _x000D_ 1. This is a simple and easy-to-use DC motor speed controller of stable performance. _x000D_ 2. Speed controller is made with circuit board which ensures a longer service life. _x000D_ 3. Equipped with fuse tube to protect the speed controller from burning out that short circuit causes. _x000D_ 4. With reverse connection protection function. _x000D_ 5. Designed with convenient screw terminals for quick wiring. _x000D_ _x000D_ Specification: _x000D_ Input Voltage: DC 12V-40V _x000D_ Control Power: 0.01-400W _x000D_ Rated Current: 8A _x000D_ Maximum Current: 10A _x000D_ Static Current: 0.02A(standby status) _x000D_ Frequency: 13kHz _x000D_ Speed Adjustment Range: 10%- _x000D_ Hole Diameter: 3.2mm _x000D_ Operating Temperature: -20~125 _x000D_ Dimensions: 75*60*28mm / 2.95*2.36*1.10in _x000D_ Package Weight: Approx. 73g/2.6oz _x000D_ _x000D_ Package List: _x000D_ 1 * DC Motor Governor 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. Sold by-Dadangjia