Playback a complete run of engine RPM data at 1:1 or 1:3 speed. Traditional incandescent lighting illuminates the front of the dial. Program Up To 4 Gear-Specific Shift Light Points To Maximize Your Vehicles Performance.. Optional Launch Lite feature utilizes a Shift Lite connected to the tachometer to help the driver properly stage the vehicle. Built in short-shift protection prevents missed shifts due to early shifts by monitoring RPM drop and intelligently determining when a gear change has occurred.. Maintain desired RPM prior to launch in classes where launch control electronics are prohibited by utilizing the light to indicate whether you are at above or below your desired launch RPM.. Compatible with 0.5 - 6 pulse ignition signals (1-12 cylinder engines) with points electronic and most 12V high-performance racing ignitions.. Autometers Race Proven Air-Core Electric Tachometers Provide Quick And Accurate Readings With A Needle So Responsive It Can Go From 0 - Full Scale In 333 Milliseconds. 12 and 16 volt compatible well-suited with nearly every street car or race car electrical system. Optional shift light connector allows for the addition of a variety of options from AutoMeter to improve driver visibility and reaction to desired gear change points.. Remote recording trigger lead may be connected to driver accessible push button trans-brake line-lock clutch switch or foot brake light switch for maximum versatility and ease of use for the driver.. Green LED recording status lamp provides quick visual indication of tachometer mode to the driver to ensure you never miss a recording.