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HD Universal Water Temperature Voltmeter Gauge | 2 in 1 Digital Car Gauge with Temp Sensor 10mm
$29.65
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$29.65
$29.65
Keep an eye on your engine's health with this 2 in 1 digital gauge. It combines a water temperature gauge and a voltmeter in one compact unit, giving you two critical readings at a glance. Designed for 12V and 24V systems, it works with cars, trucks, and SUVs.
This gauge comes with a 10mm temperature sensor and a sunshield for better daytime visibility. The digital display is easy to read, and the unit is built to handle vibration and bumps on the road. Installation is straightforward, and the included wiring makes hooking it up simple.
The gauge also features a water temperature alarm that flashes between 96 and 120 degrees Celsius. This gives you an early warning if your engine starts to overheat, helping you avoid costly damage. It is a practical upgrade for anyone who wants more control over their vehicle's vital signs.
Key Features and Benefits
- Digital LCD display that shows water temperature and voltage for quick, intuitive monitoring
- 10mm temperature sensor with M10 thread for easy installation into the cooling system
- Water temperature alarm that flashes between 96 and 120 degrees Celsius to warn of potential overheating
- Sunshield design that improves screen readability in bright daylight conditions
- Wide power supply range of DC 9V to 36V, making it suitable for both 12V and 24V vehicles
- Stable performance with anti-vibration and anti-bump construction for long-lasting reliability
Who Is This For
- Car owners who want to monitor engine coolant temperature and battery voltage in one device
- Truck and SUV drivers with 12V or 24V electrical systems looking for a universal gauge
- DIY mechanics who prefer a simple, plug-and-play gauge with a pre-wired sensor
- Anyone replacing a broken or inaccurate factory temperature gauge with a modern digital upgrade
Usage Scenario
Mark drives an older truck that never had a temperature gauge from the factory. He added this 2 in 1 gauge to the dashboard and connected the sensor to the radiator hose using the included adapter. Now he can see the coolant temperature and battery voltage at the same time. On a hot summer day, the alarm flashed when the temperature hit 100 degrees Celsius, giving him enough time to pull over and let the engine cool down before any damage occurred.
Micro Comparison
Unlike analog gauges that only show a needle position, this digital unit gives you an exact temperature reading and a clear voltage number. Many single-function gauges require separate units for temperature and voltage, which takes up more dashboard space. This 2 in 1 design combines both functions in one compact housing, saving space and reducing wiring complexity.
Specifications
Material: Plastic shell
Product size: 102mm x 50mm / 4.0 in x 2.0 in
Temperature sensor screw diameter: 10mm
Thread: M10
Digit: 3 Digit
Power Supply: DC 9V - 36V
Accuracy: +/-1%
Measuring temperature: -10 to 120 degrees Celsius / 14 to 248 degrees Fahrenheit
Working environment: -10 to 50 degrees Celsius / 14 to 122 degrees Fahrenheit
Water temperature alarm: 96 to 120 degrees Celsius / 205 to 248 degrees Fahrenheit
Wiring: Red = power +, Black = power -
Package Includes
- 1x 2 in 1 Gauge
- 1x Temp sensor 10mm
Why You Will Love It
You get two essential engine monitors in one compact gauge, saving dashboard space and installation time. The bright digital display and flashing alarm give you peace of mind on every drive. It is a simple, cost-effective way to protect your engine from overheating and keep your battery voltage in check.
Questions and Answers
Question: Does this gauge work on a 12V car?
Answer: Yes, it works on both 12V and 24V systems.
Question: What size is the temperature sensor thread?
Answer: The sensor has a 10mm diameter with an M10 thread.
Question: Does the gauge come with a sensor?
Answer: Yes, the package includes one 2 in 1 gauge and one temp sensor.
Question: What does the alarm do?
Answer: The alarm flashes when the water temperature reaches between 96 and 120 degrees Celsius.
Question: Is the display easy to read in sunlight?
Answer: Yes, the gauge has a sunshield design that improves visibility in bright conditions.




















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