Temperature range: 40–120°C. Easy installation – High sensitivity and easy to use Design: Black case and white light. Name: GM 2 inch 52mm Water Temperature Gauge, Measuring Range 40-120°C Size: about 70 x 70 x 60mm Color: Black case and white light Material: Stainless steel Function: The digital pointer displays the water temperature, which is used to measure the car's water temperature. Measuring range: 40-120°C Voltage: DC 12V, high current 0.3 A Diameter: 52 mm Outer diameter of the display: 56 mm Inner diameter of the display: 43 mm Measuring range: 40-120℃ Sensor mounting thread: 10 mm Cable length: 114 mm Included in delivery: 1 x Celsius water temperature, 1 x Sensor, 1 x Screw set, 1 x User manual Installation method of the water temperature gauge: when installing To display the water temperature of the gauge water temperature, connect a ground wire from the screw on the water temperature tee.