INNOVA 3721 Battery and Charging System Monitor<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Easily plugs into vehicle’s cigarette lighter or power receptacle to monitor battery and charging system voltage</li><li>Designed for 12-volt negative ground systems</li><li>LCD displays measured voltage with a bar graph to indicate battery charge level</li><li>Color-coded LEDs quickly identify battery’s charge status</li><li>Head pivots for easy viewing and angle adjustment</li></ul></div><img src="http://ecx.images-amazon.com/images/I/4105fQmT1vL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4165HBCZPQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41GWMpaWDvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/515KhuxYkGL.jpg" noproxy>