: Product Name: Tachometer (0-10000RPM) Diameter: 2"/52mm Current: IGN MAX 0.3A ILM 0.3A Power: DC (10-15V) 12V Professional Features: 1. Includes high-performance stepper Motor (please view the video in the product page) 2. Comes with installation manual (English version). 3. Clear and bright 7-color LED display 4. Button on the lens can switch the light color you want (please view the product). Video in the page) Accessories: Suitable for all 12V, 4/6/8 cylinder and gasoline cars. Note: 1. The instrument wires are sometimes different from the colors shown in the installation, I hope you can understand 2. We provide clear pictures and take measurements as much as possible. Please check as much as possible to make sure the item is what you need. 3. Due to different computer screens, thank you for your understanding. 4. Item size is measured by hand, please allow 2mm difference. 5. (Important) Not responsible for guiding installation! Professional installation is highly recommended! How to install: Package includes: 1xDynoracing Tachometer 1x Cable 1x English Installation Manual 1x Retail Dynoracing Box< br>