Lcd Cigarette Lighter Voltage Digital Panel Meter Volt Voltmeter Monitor for Auto Car Truck

This digital gauge displays the voltage of batteries in the car. with high brightness of LED, there is no difficulty in seeing the display. This product is simple enough to use, just plug it into your lighter, watch your alternator's output from idle to accelerated speed. You could diagnose your car's alternator and battery \on the fly\Color: Black.Package Contents:1x voltmeterOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.