mothers day gifts Feature:1. High‑performance oil pressure gauge, with a display range of 0 ‑100PSI, suitable for most 12V cars.2. Effectively monitor oil pressure to ensure that your bearings, crankshaft and other important engine parts are properly lubricated.3. With luminous red pointer and blue LED display, 7 solid color settings for easier night driving.4. Equipped with oil pressure sensor with 1/8 NPT thread, 1.94ft power cord and instruction manual, making installation quick and easy.5. Made of premium quality ABS material, rugged, and durable, which has long service life.How to Use:Wiring:Red‑PositiveBlack‑NegativeGreen‑Signal WireSpecification:Item Type: Oil Pressure GaugeMaterial: ABSColor: Black face, 7 colors LED displayDial Diameter: Approx. 52mm / 2inDisplay Range: 0-100psiUnit: PSIPower: DC 12V professionalFitment: for most 12V cars Package List:1 x Oil Pressure Gauge1 x Sensor2 x Power Cord1 x Manual