What a simple, neat, and "custom? way to add a tachometer to your vehicle! This digital tachometer includes two bright 7 segment LED displays to provide a unique digital display of your RPM! Range is 100 to 9900 RPM to cover a slow idle to a leadfoot (usually followed by a blown engine!). An attractive red filter front bezel is included to give you a perfect custom look! Runs on vehicle voltage (10-15VDC) at 200mA. The small main board measures 3.2? x 2.4? and the display PCB measures 3.2? x 1.8?. The matching red filter bezel measures 2.8? x 3.5?. If you?re looking for a super looking tachometer for your vehicle, the K2625 does the trick.