NEGATIVE ION GENERATOR 12V High Density Plasma ionizer Module<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>High Density Ion generator Module ONLY</li><li>Operation 12VDC， load max 1 W</li><li>Included technical documentation to test the negative ion density</li></ul></div><img src="http://ecx.images-amazon.com/images/I/419gNZgXvUL.jpg" noproxy>