TRAIL TECH TTO Temperature Meter BLACKM6x1.0 Screw Sensor (included)The TTO Digital Temperature Gauge allows you to easily monitor your engine's temperature 30-500°F (0-270°C) ensuring you that your engine is not over heating. Trail Tech's TTO Temperature Gauge offers features that include an easy to read LED display, and an ultra-thin design. The LED display lets you to easily view all gauge readings regardless of the angle or lighting conditions. Included with this digital temperature gauge is a M6x1.0 water temperature sensor.TRAIL TECH Partnumber 742-ES1, 72-ES1