Large red LED readout against black is easily visible even in direct sunlight
Display blacks out completely when ignition is offno visible logos, legends, etc.
Replaces in-dash gauge or may be mounted on or under dash with gauge panels or housings (not included). Black bezel, hardware and instructions included. Displays 8-18-volt (0.1-volt increments). For all 12-volt systems. 2-1/16" diameter.