Camco Power Defender Circuit Analyzer With Integrated Surge Protection， 30 Amp Male to 30 Amp Female<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Protect your electrical equipment from improperly wired electrical boxes</li><li>Diagnostic lights indicate faults before you connect your electrical cord</li><li>Voltage analyzer with surge protection up to 1050 Joules</li><li>30 Amp Male (NEMA TT-30P)/30 Amp Female (NEMA TT-30R)</li><li>Contoured grip makes unplugging easier</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41x7iLegKGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41JbsXp58OL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41XFMPJ1rwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51xGsVjKnvL.jpg" noproxy>