LED Digital Tachometer with Shift Light by GlowShift GlowShift’s LED Digital Tachometer with Shift Light is a vital accessory for those seeking a reliable tachometer and shift light combined into one easy to use, affordable unit. Each digital tachometer is mounted in a durable black or silver metal pod and is a standalone unit that can be wired up to any vehicle with a 4, 6, or 8 cylinder gasoline engine. Its three wire connection makes for a fast and easy installation to the vehicles coil or tach signal wire. (It may be necessary to install a tach adapter for multiple coil applications.) The unit is easily adjustable allowing you to select between 0 to 9,999 RPMs in 100 RPM increments. It connects securely into its included pedestal mount allowing you to position the tachometer in any desired location. GlowShift stands behind each unit with a one year limited warranty and free lifetime technical support. Features Red Digital Tachometer with LED Shift Light Dimensions: 4.75″ x 1.625″ x 2.75″ Includes Pedestal Mount & Mounting Hardware Works with 4, 6, and 8 Cylinder Gasoline Vehicles Adjustable in 100 RPM incrementsFree Lifetime Technical SupportOne Year Limited Warranty Please Note: Our Tachometers are only designed for a gasoline, single coil application. For multiple coil applications, the use of a multiple coil or aftermarket ignition system adapter is required. Vehicles equipped with High Energy Ignition Systems (HEI) will require GlowShifts HEI Signal Filter. Applications Universal What’s In The Box? 1 – Digital Tachometer w/ Shift Light Warranty Manufacturer Standard Warranty