Gear Stock & Pinion WireMaterial: ABS plastic + aluminum ringThe Shell Color:BlackThe Light Color: WhiteFeatures:Black shell and white lightNumbers and pointer clearly show the water temperature.Used to measure the water temperature of automobile.Measurement range is 40-120High sensitivity and easy operation.Power: 12V DC, Max. 0.3ADiameter:2 inch / 52mmOuter Diameter of The Screen:55mm / 2.2inchInner Diameter of The Screen:43mm / 1.7inchRead: 40 - 120 Sensor Mounting Thread: 10mm / 0.4inchQuantity: 1 setNote:Please allow 1-2mm errors due to manual measurementDue to the difference between different monitors, the picture may not reflect the actual colorof the item. Thank you!Package includes:1 * Water Temp Gauge1 * Sensor1 * Bolts Pack