Eachine1 2 Inch 52mm Psi Turbo Car Led Vacuum Boost Meter Gauge Black

Specification: Material: ABS Color: Black Light Color: Blue / Red display Power: DC(10-15V) 12V Professional Features: Easy install with English user manual Clear and bright LED display during the night High quality, durable, waterproof, shockproof Wiring Instructions: Red -- 12V accessory Power Black -- Ground negative White -- Engine accessory power Orange -- Head light switch (12V switch power) Green -- Boost sensor (connect to green wire from sensor) Fitment:Fit for car or motor Package Included: 1 X Turbo Boost Gauge 1 X English Users Manual