GlowShift Black 7 Color 10,000 RPM Tachometer Gauge - For 1-10 Cylinder Gas Powered Engines - Built-In Shift Light - Mounts On Dashboard - Black Dial - Clear Lens - 3-3/4" 95mm 3 3/4 Inch (95mm) Black Face Gauge with a Magnified Lens Reads from 0 to 10,000 RPM and Installs to any 1-10 Cylinder Gas Powered Engine 7 Solid Color Settings and Two Color Cycle Modes with Dimmer Function that Allows the Gauge to Dim 30% Mounting Hardware & Installation Instructions Free Lifetime Technical Support & One Year Limited Warranty