Auto Meter 3241 Pro-Lite Warning Pressure Light Switch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Closes at pressures 15 pounds per square inch and lower</li><li>Opens at 18 pounds per square inch and higher</li><li>It is a pressure sender</li><li>Wiring harness is not included</li><li>It is sold individually</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41AU%2BkPUBFL.jpg" noproxy>