Article Number : 742-EF8Displays temperatures up to 500FTemperature accuracy within 1F/CUser-selectable display in F or CMeasure and record maximum temperature (resettable)Small size (1.9" x 1.0" x .59") with large easy-to-read displayWaterproofApproximate five-year battery lifeFor 8 mm fin sensor.Brand : TRAIL TECHVendor part number : 742-EF8Connector Type : 8 mm Fin SensorHousing Color : BlackInside Diameter : 800 mm (032")Inside Diameter Imperial : 0.32"Inside Diameter Metric : 800 mmProduct Name : MeterStyle : Surface MountType : Engine TemperatureUnits : Each