2" (52mm) Diameter with Black Dial, Illuminated Red Needle andamp; black face gauge, Turbo Boost/Vacuum Gauge Reads Vehicle's Boost Levels from -30 to 35 PSI andamp; Vacuum Compression Levels. Easily display at night:Our gauge is highly visible with a WHITE Light,easy viewing at all angles during any lighting conditions,DC 12V Turbo Boost Gauge Features a black bezel with black mounting panel. Includes Mechanical Hose andamp; T-Fitting - Black Dial -Clear Lens andamp; Installation Instructions, no need other sensor,Come with the sensor can fit it well. Auto Turbo Boost/Vacuum Gauge Meters race proven mechanical instruments provide trusted accuracy while being simple to install,With our strict quality control system, we test each item and ensure in good condition before we ship. Suitable for DC 12V Car,SUV,Truck,Vehicle Automotive etc.The gauge measures up to -35 to 35 psi in pressure,All gauges are , complete in box. Report an issue with this product or seller Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia