60MM Black Face Car Turbo Boost gauge 3 BAR With White &Amber Lighting turbo boost meter /Car Meter TT101477 Product Condition:100% New with orginal Dynoracing packaging. With high speed stepper motor ,give you a quick response. Two installation methods according to your preference. Power:DC 12V Professional. Diameter:2.5 /60mm. Unit: BAR Backlight:White/Amber (you can change it by yourself by wiring) Universal fit for: All car models with 12V power. 6 Months Warranty Note:Easy Installation With Users Manual In English,Professional installation is Highly Recommended. Package include: 1*Boost Gauge 3BAR 1*Boost Sensor 1*Vacuum pipe 1*T Joint 1*Screw Knob 2*Cables 1*Gauge Holder and mounting accessories 1*Dynoracing packaging Question and solution Please connect the boost sensor for subsequent setup : 1:How to cancel the buzzing sound? If you want to cancel the buzzing sound, just restart the power supply and hold the button until the buzzing sound disappears, then release the button. Vice versa. 2:How to set the PEAK Value After completing the Self-checking, press the button and release, the PEAK lights up (blue light). Then hold the button again for 3 seconds, when the PEAK light flashes, release the button, PEAK value is cleared, the pointer will returns to zero after about 3 seconds. 2:How to set alarm points and cylinder: After self-examination, hold the button for 5 seconds, the pointer lights flicker, loosen, and then press the button to set the alarm point (Press the button continuously and fleetly for fine setting, press and hold the button continuously for quick setting). After about 5 seconds, the pointer automatically returns to zero, you can then set the next Step. After self-test or after the pointer returns to zero, hold the button for 10 seconds, the pointer lights flicker, loosen, and then press the button to set the cylinder, loosen, after 5 seconds, the pointer automatically returns to zero, you can set the next step. When the meter reaches the alarm value, the lights will flicker continuously.