RadioShack AC-Circuit Voltage Sensor<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The quick and easy way to check your miniature Christmas lights</li><li>Tests cords， fuses and individual bulbs</li><li>Safe to use-no direct electrical contact</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41eVl8nBDuL.jpg" noproxy>