Magnetic Switch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Normally Open</li><li>Normally Closed</li><li>Effective for Theft Deterrence</li><li>One of the only switches with both normally closed contacts</li><li>Great for pick-ups with sliding rear window</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41DVM6RPZAL.jpg" noproxy>