Features: 4-in-1 car modification instrument, integrating tachometer, oil pressure gauge, oil temperature gauge and water temperature gauge, more practical. With backlight, easy to view. Each meter has 7 colors backlight optional, 5 levels of brightness adjustable, personalized settings. Support alarm function, 3 kinds of sound can be selected, alarm parameters can be set, with light flashing alarm to ensure safety driving. Sturdy ABS housing with nice durability. High-quality pressure and temperature sensors with sensitive conduction and more accurate values. 5 inch car modified meter, easy to install and use, suitable for 12 V voltage car, truck, van, etc. Specifications: Color: Black Material: ABS + Metal Voltage: 12 V Item Size: 127 * 127 * 70mm/ 5.0 * 5.0 * 2.8in Item Weight: 256g/ 9.0oz Package Size: 175 * 175 * 100mm/ 6.9 * 6.9 * 3.9in Package Weight: 700g/ 24.7oz Packing List: 1 * Multifunctional Gauge 1 * Warning Light 1 * Pressure Sensor 2 * Temperature Sensor 1 * Bracket 1 * Manual