TyuanC UNI-T UT658 USB Tester Voltmeter Ammeter Digital LCD Voltage Monitor Current Meter Capacity Tester 9V 3A With Backlight<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Tests USB connection quality</li><li>Outputs voltage， current， and energy (mAh)</li><li>Data reset and view，10 memory sets for energy consumption</li><li>High low voltage alarm function</li><li>Cumulative input capacity display</li></ul></div><img src="http://ecx.images-amazon.com/images/I/4103haBvaeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41s1Lcem3QL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41O1ulDlU7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Omhw5zmSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31P3%2B927AXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/415-ZBEbpdL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/518Ix0T%2BhqL.jpg" noproxy>