Flex-a-lite 31165 Variable Speed Control Module<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Senses coolant temperature and sets fan speed 60-100% for better cooling control</li><li>Directs fans to run for 30 seconds after vehicle is turned off</li><li>Reduces charging spikes and current load on charging system</li><li>Includes A/C relay and manual override switch connections</li><li>One year manufacturer warranty</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51u3v21Y7LL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/81FsE8L00uS.png" noproxy>