7-color electronic tachometer, 85 mm (3-3/8 inch) diameter, black, automatic color change, 0-6000 rpm, LED display, suitable for cars, boats and trucks, 9-32 V

Features: 7 preset colors to suit your needs. You can change the desired light color using a button on the lens. Colors: blue, red, green, turquoise, purple, white, and yellow. The lens is tinted when off; the LED indicator illuminates in color when on.Materials: Black tachometer (85 mm x 52 mm) made of 316 stainless steel with a domed glass. The glass is fog-resistant and ensures optimal readability. The red indicator provides a bright LED display at night.Measuring Range: The tachometer displays from 0 to 6,000 RPM. Compatible with all 4, 6, 8, 10, and 12-cylinder gasoline engines from 9 to 32V.Stability: The tachometer is compatible with all common speed sensors and displays the engine RPM.