Zoostliss Dual USB Charger Doctor Voltage Current Detector Digital Ammeter Voltmeter Multimeter USB Tester Mobile Power Panel Monitor Gauge Dc Display 3-9V 0-3A Red Blue LED Display<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Universal Usage! You can use it for almost everything about electronics with USB charging</li><li>Maximum support 5A ，5A current (beyond 3A error will be larger in 3%).</li><li>Application: Any mobile phone， any electronic product， can use， convenient operation， suitable for</li><li>Measuring range: DC 3V-9V，Current: 0-3A (error: + 1%)</li><li>This product can measure voltage USB power supply equipment， empty load， the voltage and current</li></ul></div><img src="http://ecx.images-amazon.com/images/I/5108eSW0IKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51PDio2tRiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51DUBfr0vsL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41D0hrk13SL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41QvgPttlGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/416sThjdv6L.jpg" noproxy>