Autometer has designed this gauge to accurately measure your vehicles transmission temperature. As we know when your transmission overheats things start breaking. This gauge will help to eliminate that from happening. Specifications: Full Sweep, Stepper Motor meter movement. Includes 1/8" NPT Sender. Includes 8 ft. tubing or wiring harness. Includes 3/8" NPT adapter/fitting. Includes 1/2" NPT adapter/fitting. Gauge Temp Range: 100-260 degrees F Gauge Diameter:2 1/16" Gauge Diameter:52.00mm Sending Unit: Electrical Gauge Face Color: White/Luminescent blue Gauge Number Color: Black Pointer Color: Red Bezel Color: Silver Liquid Filled: No Note: If mounting in a steel pan, model 2260 bung in the Accessories Section is recommended. Application:Universal