Feature 10-11,000 RPM measurement, shift light RPM is adjustable. Peak Sound and LED Flash When RPM Warning. 2The stepping motor is sufficient for quick response of all sorts of professional motor sports. 3The gauge dial is invisible while the ignition switch is off. Once the ignition switch is turned on, a clear display appears by colored LED illumination. Features: 0-11,000 RPM measurement, shift light RPM is adjustable. Peak Sound and LED Flash When RPM Warning. The stepping motor is sufficient for quick response of all sorts of professional motor sports. The gauge dial is invisible while the ignition switch is off. Once the ignition switch is turned on, a clear display appears by colored LED illumination. Provide high precision in the accuracy of information generated. Adjustable color, choose the color of backlights according to personal preference. 7 colors are available. Specifications: Gauge Color: Black Light Color: Light Color: Dark Blue/Yellow/Pink/Light Blue/Green/Red/Clear, 7 Colors with one gauge Material: ABS Gauge Display: LED Shift light: Green First and then turn Red Measurement Range: 0~11,000 RPM Powered By: DC12V Diameter: 5 inch Fitment: 4 6 8 cylinders petrol engine Package Size: 24*20.7*12.8cm Package Weight: 1000g Package List: 1* Tachometer Gauge 1* Shift Light 1* Mounting Bracket 1* Installation Manual Package List 1* Tachometer Gauge 1* Shift Light 1* Mounting Bracket 1* Installation Manual