Scale: 0 - 80 PSI & 0 - 5 Bar Diameter: 2 1⁄16" (52mm) Connection: M4 Stud Mounting Hardware: U-Bracket Voltage: 12V Brand new VDO genuine oil pressure gauge. 2-1/16” or 52mm mounting holes, M4 stud mounting. 0-80 psi (0-5 bar), input range 10-180 ohms. Flood lighting, , light bulb included. Red lighted pointer. Wiring instruction included. Retail packaged.