SMAKN® AC/DC Powered 4 Wire DC 0-500V LCD Panel Volt Meter Voltmeter<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Range: DC 0 to 500V ( Need Extra Power Supply )</li><li>Power Supply: AC or DC 9-12V</li><li>Backlight colors: Blue</li><li>Power Consumption: &lt; 0.2VA</li><li>Resolution: 0.5% ±2 digit</li></ul></div><img src="http://ecx.images-amazon.com/images/I/412fB9nnFGL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51SMw4ZwweL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31%2BxLF-%2BaJL.jpg" noproxy>