Hign-concerned Chemical:NONENumber Of Cylinders:1-8Placement on Vehicle:inside the carCountry/Region of Manufacture:mainland chinaSpecial Features:12vItem Weight:701gItem Height:5 inchItem Width:5 inchItem Length:5 inchManufacturer Part Number:8141SWMaterial:plasticOrigin:Mainland ChinaBrand Name:DOFIAttribute:Racing Gauge,Contagiros Automotivo RPM,Digital Tachometer RPM Meter1.Stepper Motor,Self Test When Power On. 2. plastic lens 3.Display RPM measurement up to 11000 RPM max 4. 4-6-8 cylinders car, 5. 12V car and gasoline car. 6.Seven colors lighting 7.Package Including: Tachometer Gauge Gauge Holder Set InstallationInstruction Shift-light Important Reminder Before Purchase: Vehicle Compatibility Please confirm that your vehicles make and model year are compatible with our product. Different models and years may have different compatibility requirements. Check the compatibility list in the product description or contact our customer service for confirmation. Size Confirmation Make sure the selected products size matches your vehicle or requirements. All sizes and specifications are clearly listed in the product details. We recommend double-checking the measurements before making a purchase to avoid any issues. Bulk Purchase Requests If you have a bulk purchase requirement, we offer special pricing. Please contact our customer service team for the best quotes and support. Compatibility Check Before purchasing, we strongly recommend confirming compatibility, especially for modified or custom vehicles. We are not responsible for any issues caused by incorrect selection or installation.