This water temperature gauge is used to measure the water temperature of automobile. Black face gauge with clear lens, white and blue figures and red needle, easy to read dial. Perfect for your car, high sensitivity and easy operation. Measurement range is 38-104C, numbers and pointer clearly show the water temperature. It is mechanical water temperature gauge with a 5/8 UNF threaded end. Features: This water temperature gauge is used to measure the water temperature of automobile. Black face gauge with clear lens, white and blue figures and red needle, easy to read dial. Perfect for your car, high sensitivity and easy operation. Measurement range is 38-104C, numbers and pointer clearly show the water temperature. It is mechanical water temperature gauge with a 5/8 UNF threaded end. Specification: Color: black Material: metal Gauge body : about 5.2cm Inner Diameter: about 4.3cm Overall Diameter: about 5.8cm Gauge Height: about 3.2cm Mounting Thread End: 5/8 UNF Voltage: 12V DC Temperature Range: 100-220 , 38-104 Cable Length: approx.176cm Package: 1 * Water Temperature Gauge Notes: Transition: 1cm=10mm=0.39inch 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3cm measuring deviation due to manual measurement.