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

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