1. More sensitive than general instruments, which can display the data accurately. 2. The lighting on the dial makes it easy to read in the dark and brings much convenience . 3. An instrument with 7 colors can adapt to the needs of more environments, and it is very convenient to switch colors by buttons. 4. Can add the look and feel of a racing car to your riding, with high quality and light weight. 5. After exquisite craftsmanship and professional processing, this car tachometer has good performance and can well meet your needs.<br><br>Item Type:Car Tachometer Unit:Revolutions Per Minute Display Range:0-11000 RPM Dial Dimater:. 80 mm / 3.15in Accessories:Suitable for Most 1-8 (1,2,3,4,5,6,7,8) Cylinder 12V Gasoline Vehicles Power Supply:DC(10-15V) 12V Professional How to Use: Wiring: Red wiring‑positive Black wiring‑negative Red + white wiring‑light source line Green wiring‑signal line Yellow wiring‑signal line Color:As Shown Material:ABS+Metal<br><br>Package Contents: 1 * Car Tachometer 1 * Alarm Lamp 1 * Gasket 2 * Double-Sided Tape 1 * Rubber Pad 2 * Screw 2 * Meter Cover 2 * Bracket 1 * Shift Button 1 * electric wire 1 * English instruction manual<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.