GAUGE, VOLTMETER, 2 1/16", 18V, DIGITAL, BLACK DIAL W/ RED LED

Keep Tabs On The Health And Output Of Your Vehicles Electrical System Safely And Accurately With Autometers Ultra Precise Digital Voltmeter. With Precise Resolution Down To A Tenth Of A Volt, This Gauge Operates Anywhere From 8-18 Volts On Negative Ground Electrical Systems. A Direct Plug In Wiring Harnesses Included For Ease Of Installation.