Made in the USA! Top of the line mechanical 2 5/8” gauges have built in LED lights for back lighting and warning lights. Gauge will automatically switch from white light to designated colored light when a problem arises, so no warning lights necessary. Color Changing Technology All aluminum gauge housing is lightweight and durable. White face gauges, black panel, the Extreme series is designed with the serious hardcore racer in mind. This QuickCar Gauge is a Volt Meter unit from the Extreme Gauge Series and features the QuickCar Logo. Gauge also has a built-in 10 Volt Warning sensor that changes the LED back light from white to Amber when the battery voltage drops to 10 Volts or lower. A 12 or 16 Volt power source is required to power gauge. Display has an 8-18 Volt Range and face is a 2-5/8" Diameter. Sold each. Made in the USA.