Coolant temperature meter for car universal 40-140℃ range1、The water temperature meter is designed to monitor and display the temperature of the coolant flowing through the radiator system of a car or truck. It has a black dial, tinted lens and illuminated red pointer. 2、With 10 solid color modes and 2 color cycle modes, you can match the factory dashboard lights and bring a unique style to the interior of the vehicle. The built‑in color memory function eliminates the need to change the color of the meter every time the vehicle is started. 3、The black meter face with magnified tinted lens will add a stylish look to your gauge, and when installed on the dashboard, radio slot or driver’s side pillar, it will enhance the overall appearance of your car or truck style. 4、The pointer is driven by a stepping motor, which can accurately display the coolant temperature, with high indication accuracy and relatively simple drive control. The parameter display is accurate and stable, and the power consumption is low. 5、Smoked lenses during the day, and bright display at night, clearly and intuitively display the water temperature. Installation is simple, no complicated operations are required.