TRC AECM20020-3-012 Electra Check Digital Monitor for All AC Power Sources， Black with White Face<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Accurate testing and monitoring of all AC power source types</li><li>RMS voltage and frequency meter</li><li>One button operation</li><li>LCD Display with LED backlight</li><li>Advanced Microelectronics</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51%2BEhTP0rLL.jpg" noproxy>