The heavy-duty automotive 12 volt DC Voltmeter is the perfect gauge for vehicles with 12 volt negative ground electical systems. Fits a standard 2 inch mounting hole with bracket provided. Note: We recommend wiring this unit to the ignition to avoid any battery drain from the backlight when the vehicle is not running.
Features. 12V DC Voltmeter . 4 x 4 Vehicles. Wiring Instructions Included. . 10-16 Volt range. . Backlight included. . Fits 2 inch mounting hole, bracket provided. . U. S. Made- SKU: BLLT494