USB Charger Doctor Current Voltage Charging Detector Battery Voltmeter Ammeter Multimeter USB Tester Mobile Power Panel Monitor Gauge DC LED Display (Red&amp;Blue)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The tester uses a new generation of power four semi~ double loop integral converter IC ， with a precision bandgap reference ， range accuracy ， high precision ， stable and reliable performance ， strong anti~interference ability.</li><li>High temperature can be used for measuring USB powered or power consumption of the interface ， mobile phone charger ， U disk and other products.</li><li>Can easily measure the operating current of the output voltage of the USB port and equipment.</li><li>Smallsize ， no power ， and other ancillary equipment， plug and play also detect USB charger output voltage and current are standard suitable for factories， Laboratory and users.</li><li>USB powered devices can be used to measure air ， voltage loads ， USB terminal equipment working voltage and current .</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51XaiYWfwiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51iwxhTLaKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41SyfgMinuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41jCaOEhznL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41fxnnx4nEL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61Dojurjj6L.jpg" noproxy>