Autometer Elite Digital Tachometers Offer The Precision Of Digital With The Visual Representation Of Change Typically Found In An Analog Gauge. Matched To Autometers Most Popular Gauge Designs This Product Can Be Easily Calibrated For Direct Connection Compatibility With Most 1-12 Cylinder Gasoline Engines. 0-16,000 Rpm Capable. Includes Programmable Multi-Stage External Shift Light Control. Peak Rpm Memory Recall. User Adjustable Radial Display Scaling Allows For Fine Tuning Of Tachometer Operating Range To Match The Specific Characteristics Of Your Engine.