2 In 1 LCD Digital Car Truck Water Temp Gauge with 1/8 NPT Sensor and Voltmeter | 12V 24V

Keep a close watch on your engine's health with this 2 in 1 LCD digital gauge. It combines a water temperature monitor and a voltmeter in a single, easy-to-read display, helping you spot potential issues before they become major problems.

This gauge is built for durability and simple operation. The large digital screen shows your coolant temperature and battery voltage clearly, even in bright sunlight thanks to its sunshield design. The included temperature sensor uses a standard 1/8 NPT thread, making it compatible with a wide range of vehicles.

Installation is straightforward with the included wiring and sensor. The gauge works with both 12V and 24V electrical systems, making it a versatile choice for cars, trucks, SUVs, and other vehicles. Its stable performance and anti-vibration construction ensure reliable readings on the road.

When the temperature or voltage goes outside the normal range, the display flashes an alarm. This immediate visual warning gives you time to react and protect your engine from overheating or electrical problems. It is a practical tool for any driver who values preventive maintenance.

Key Features and Benefits

- 2-in-1 function that combines a water temperature gauge and a voltmeter, saving dashboard space and providing two critical readings at a glance

• Digital LCD display with a sunshield that makes the numbers easy to read in direct sunlight, reducing glare and improving visibility

• 1/8 NPT temperature sensor thread that fits many common engine ports, making it compatible with a wide range of vehicles

• Wide power supply range from DC 9V to 36V that works on both 12V and 24V electrical systems, offering flexibility for different cars and trucks

• Flashing alarm function that immediately alerts you when the temperature or voltage is abnormal, helping you prevent engine damage

• Stable and precise measurement with +/-1% accuracy, giving you reliable data you can trust while driving

Who Is This For

- Car and truck owners who want to monitor engine coolant temperature and battery voltage in one compact gauge

• DIY mechanics and auto enthusiasts who prefer a simple, self-installed monitoring solution for their vehicle

• Drivers of older vehicles that lack built-in digital temperature or voltage readouts on the dashboard

• Fleet managers or commercial drivers who need a reliable, low-cost way to track engine health across multiple vehicles

Usage Scenario

Mark drives a 2005 work truck that he relies on for daily deliveries. The original dashboard gauges were hard to read and not very precise. After installing this 2-in-1 gauge, he can see the exact coolant temperature and battery voltage at a glance. One afternoon, the display started flashing, warning him that the voltage was dropping. He pulled over and found a loose alternator belt, fixing it before the battery died. The early warning saved him from a roadside breakdown and a costly tow.

Micro Comparison

Unlike single-function analog gauges that take up more space and can be hard to read in low light, this digital unit combines two essential readings in one compact housing. The LCD screen offers clear, precise numbers, and the sunshield improves visibility compared to non-shielded displays. For the price of one gauge, you get two monitoring functions with an alarm system that many budget gauges lack.

Specifications

Material: Plastic Shell Product

Size: 100mm x 56mm / 3.9 in x 2.2 in

Digit: 3 Digit

Power Supply: DC 9V - 36V

Accuracy: +/-1%

Cable Length: approx. 300 cm / 118.1 in

Temperature Sensor Screw Diameter: 10mm / 0.4 in

Temperature Sensor Thread: M10 / 1/8 NPT

Wiring: Red (power +), Red Black (power -)

Package Includes

- 1 x Car Truck LCD 2 in 1 Gauge (Water Temperature / Voltmeter)

• 1 x Temperature Sensor

• 1 x Wiring Harness

Why You Will Love It

This gauge gives you peace of mind every time you drive. You get two critical engine readings in one device, so you can spot problems early without guessing. It is an affordable upgrade that helps you take better care of your vehicle and avoid unexpected repairs.

Questions and Answers

Question: Can this gauge be used on a 12V car?

Answer: Yes, it works on both 12V and 24V systems, including most cars, trucks, and SUVs.

Question: Does the temperature sensor use a standard thread?

Answer: Yes, the sensor uses a 1/8 NPT thread, which is a common size for many engine ports and adapters.

Question: How long is the cable on the temperature sensor?

Answer: The cable is approximately 300 cm or 118 inches long, giving you enough length to reach most sensor locations.

Question: Does the display show both temperature and voltage at the same time?

Answer: Yes, it shows both readings on the same digital screen, so you can monitor them at a glance.

Question: What happens if the engine gets too hot?

Answer: The display will flash an alarm to warn you that the temperature or voltage is outside the normal range.