KNACRO pwm speed controller PWM electronic governor 40A DC 10V-50V 12V / 24V / 36V / 48V Brushed DC motor controller Maximum Power of 2000W Third gear forward/reverse/stop<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Input voltage: DC10-50V.Output voltage: Load Linear.</li><li>Input Current: require large than the motor operating current.Output Current: determine load size.</li><li>Continuous current: 40A within.Maximum power: 2000W.Knob hole: 7mm.</li><li>Speed type: modulated current.Speed mode: ON  OFF linear potentiometer 270 degrees.Speed range: 0-100%.</li><li>Operating frequency: 25KHZ.Forward Reverse: Support.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41BGE-tkiXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51dc8KknrwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/411xlVaa2vL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41%2BkrL7sj2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41LETGnaSoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31%2BPtsV2lDL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41XiSsJX9lL.jpg" noproxy>