Specifications: Color: Black Face, Yellow Light Power: DC(10-15V) 12V Professional Current: IGN MAX 0.3A ILM 0.3A The diameter of the installation: 2 inch / 52mm Read: 8-16V Features: 100% brand new and never used. High sensitivity and easy operation. Numbers and pointer clearly show the Voltage. Yellow LED light on the dial for easy reading in the darkness. Universal fit for most 12V gasoline cars. Professional installation is highly recommended. Package include: 1 x Voltage Gauge