The 1718076 161045 BAYLINER TROPHY GAUGE is a 3-in-1 tachometer, oil pressure gauge, and water temperature gauge with a 5" diameter. It features a black face with red needle color and digital display type. This gauge has a waterproof design, alarm feature, and illuminated backlight for easy viewing. Made of stainless steel and plastic, it is suitable for universal fitment in cars and trucks, offering a range of 0-150 psi for oil pressure and 100-250℉ for water temperature. With a working voltage of 12V, this gauge from BAYLINER is a reliable and convenient accessory for monitoring vehicle performance.