Turbo Boost Vacuum Gauge Kit, 7 Color 30 Psi 12V Auto Turbo Boost Meter Gauge with Black Dial for Ca

Turbo Boost\/Vacuum Gauge is Designed to Monitor Boost Pressure & Vacuum Compression Levels of Your Car's Turbo or Supercharged Engine.Boost Readings from 0 to 30 PSI & Vacuum Readings from -30 to 0 inHg - 2-1\/16 inch (52mm) Gauge with Black Dial, Tinted Lens & Illuminated Red Needle.7 Color Modes & 2 Color Cycle Modes - Vacuum Gauge Meter Colors Include Blue, Red, Green, Teal, Purple, White & Yellow. Connecting the dimmer Wire to the headlight switch reduces the brightness of the gauge by 30% when the headlights are on.Turbo boost Gauge meter's red wire is connected to the ACC positive stage, and the vacuum gauge meter's black wire is connected to the negative pole of the battery.name: Type: car accessoriesColour:blackMaterial:ABSPackage Contents:1 x Booster meter 1 x Sensor 1 x Wire harness 1 x PVC hose 1 x T-type three-way connector 1 x English manualOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.