Features: 1.12v working voltage 2.2"(52mm)diameter case 3.red guid light needle 4. Using the high performance circuit and module 5. High quality LED illumination 6. Easy installation 7. Aluminium bezel and ABS cases 8.Operation voltage:12V DC with 12V DC gauges;24V DC with 24V DC gauges 9.suitable for 4-wheel vehicles 10.Precision:±3% 11.Warranty:1 year from delivery. Optinal styling features such as bezels, ranges, customers dials and pointer colors are all available by contacing us for details. Inner packing: Each packed in a well protected box with transparent PV window and inside liner.