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