3 3/8" Electronic Tachometer chrome bezel with white face Internal dial lighting Accurate air core meters 0 – 8,000 RPM scale 250° dial sweep Adjustable red line pointers Works on 4, 6 or 8 cylinder engines Functions with breaker-point, electronic and most aftermarket ignition systems (not magnetos) Includes mounting hardware Hook-up hardware kit Instructions in English, Spanish and French