SMAKN® LED Tester Voltmeter Ammeter Digital Amp Volt Ampere Panel Meter DC Current 300V/100A Red/Blue 2-color<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Power Supply: DC 4.5-30V</li><li>Measure Current: 0-100A forward current (need an extra 100A shunt for measuring current )</li><li>Measure Voltage: DC 0-300V</li><li>Operating Current: &lt; 20mA; with reverse polarity protection</li><li>Display: 0.28</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41DSZBL%2BBnL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51iPg6QZysL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51v5-IQ9fYL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51bp4pyURuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51X9RQc0i7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/512STf-iI1L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51JyfQcNLnL.jpg" noproxy>