in 1 Voltmeter Thermometer, Battery Voltage Temperature Digital Monitor Indicator Gauge Tester with Dual LED Display for 12V Vehicles (red) red -

【Stable Performance】: The LED display temperature voltmeter provides a precise and clear display of parameters, is vibration and shock resistant, has low power consumption, and offers stable performance. 【Matte Texture】: The car thermometer voltmeter features a fine finish with a matte texture, which blends better with your car's interior and adds a touch of style. 【Easy Installation】: The digital time-delay thermometer voltmeter is easy to install; no complicated procedures are required, and installation is simple in just a few steps. The opening hole diameter is 27 mm. 【Waterproof Design】: The car voltmeter thermometer detector features a waterproof design, effectively preventing rainwater from entering and damaging the voltmeter. 【Wide Application】: The digital thermometer voltmeter has a wide charging range and can be used in all vehicles with a 12V input voltage.