The AUTO METER 2640 Z-Series Electric Transmission Temperature Gauge is a 2 1/16" gauge designed to accurately measure the temperature of the transmission in a car or truck. Made by AutoMeter, a trusted brand in the automotive industry, this model is specifically designed to provide reliable readings of the transmission's temperature. With its compact size and easy installation, this temperature gauge is a valuable accessory for maintaining the performance and health of your vehicle's transmission system. Includes only what you see in the photo