1. Aluminum rims, plastic shell, . 2. of backlight, you can choose any color, and it can change color automatically. 3. Suitable for all 12V car models. 4. Quick and accurate response. With high-brightness 7-color LED lights, high-quality smooth movement, quick-response sensors (water temperature, oil temperature, oil pressure, turbine, vacuum, exhaust, fuel pressure). Excellent workmanship, quality assurance. The contact points are made of high-quality copper material, which is easier to conduct electricity and not easy to age. Product use: used to measure various aspects of the car. Type: LED display car instrument Model: LCD5201-5210 Product applicable models: suitable for all vehicles with 12V battery voltage. Product voltage: 12V Colour: As Shown Material: Aluminum Alloy size: 5.2x5.2x4cm Specification: WATER TEMP C Package Contents: 1 x WATER TEMP C water temperature gauge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.