Keep tabs on the health and output of your vehicles electrical system safely and accurately with AutoMeter's ultra precise Digital Stepper Motor Voltmeter. With precise resolution and ultra smooth needle movement, this gauge operates anywhere from 8-18 volts on negative ground electrical systems. Peak value recall and a configurable warning point help you to keep your eyes on the task at hand. A direct plug in wiring harnesses included for ease of installation.Features: Traditional incandescent lighting illuminates around the perimeter of the dial Gauge kit includes wiring harness, bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation AutoMeter’s race proven digital stepper motor electric instruments provide unmatched accuracy which is further increased by utilizing a self calibration sequence during power up Acquire data for later review with one-touch Peak Recall functionality Set a custom alert specific to your vehicle & receive warning notification to highlight the need for driver attention Product Description: 2-1/16" Voltmeter Gauge, 8-18V, Ultra-LitePit Stop USA offers Auto Meter 2-1/16" Ultra-Lite Electric Volt Gauge w/ Peak Memory & Warning - 8-18 Volts 4383 at low everyday prices. Be sure to check out all our products from Auto Meter including Auto Meter Voltmeters.