This Easy- To- See and Easy- To- Mount Universal Indicator displays the current battery voltage on the vehicles dashboard. The indicator's unique design can be mounted in a switch blank on almost every major commercial grade truck or service vehicle. The back-lit LED 3-digit numerical display can be easily viewed in most lighting situations and provides current system voltage which is accurate to 100-millivolts. Get direct access to detailed and important data without having to check manually. Each unit is reverse polarity protected and carries a 3 year warranty.
