[ Fast Response ] --- Tachometer gauge with high response and accuracy, 0‑9000RPM measure range, convenient to use. Support peak display function, allows you to show your highest reading with a light push of a button.
[ Easy Installation ] --- Easy to install with detailed installation and wiring instructions, no need complicated tools.Easy installation with users manual in English.
[ Precise Design ] --- LED tachometer, the lighting color can be switched freely by button between white and red.
[ Suitable for ] --- 60mm/2.5in tachometer, universal for 4/6/8 cylinder 12V gasoline‑powered vehicles.
[ Wiring Method ] --- ①Connect the black wire to the negative pole of the power supply and keep it connected.②Connect the red wire to the positive pole of the power supply and keep it connected.