Universal Air Fuel Ratio Gauge Pointer LED Digital Display 52mm Dia Auto Instrument

Feature: 1. Red pointer well contrasts with the black dial, plus the clear numbers, you can easily and clearly get results. 2. Adopts stepping motor for high sensitivity, and the result is precise and reliable. 3. Support digital display mode, LED light on the dial allows easy reading in the darkness. 4. 7 color air fuel ratio meter, with color change button, you can change the color freely. 5. Universal for all 12V cars, easy operation and installation with English manual. Specification: Item Type: Air Fuel Ratio Gauge(Narrowband)Material: PlasticColor: 7 Color Diameter: Approx. 52mm 2in Current: IGN Maximum 0.3A ILM 0.3A Power: DC(10 15V) 12V Professional Fitment: Universal for all 12V Cars Wiring: Red Positive Black Negative Green Air fuel Ratio. Package List: 1 x Air Fuel Ratio Gauge1 x Power Cord1 x Manual Note: Professional installation is highly recommended for most of cars or motors.