uniquegoods 12-80V PWM 30A DC Motor Speed Controller Governor With Digital Display Panel Button Switch，Slow Star Slow Stop， Variable Stepless Speed Control Regulator HHO Driver Module<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Input voltage: DC 12V-80V</li><li>Output voltage:The output voltage is about 0-100% of the input voltage</li><li>Maximum current: 30A</li><li>Control Power: recommend 12v 50W or less， 24v 350w or less......48v 500w or less</li><li>Speed range: 0~100%</li></ul></div><img src="http://ecx.images-amazon.com/images/I/510OJFmU3-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51HpEKX7WdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41wtrNhc1RL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41wtrNhc1RL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51WaOOzKf6L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/516WMX82b1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51vJ3GSzxFL.jpg" noproxy>