3-in-1 Auto Car LCD Meter Digital Oil Pressure Voltage Water Temperature Gauge Universal Instrument 9-36V for Car/Truck/SUV/RV

Keep your vehicle's vital signs in check with this 3-in-1 digital gauge. It displays oil pressure, water temperature, and battery voltage on a clear LCD screen, helping you monitor engine health at a glance. Designed for cars, trucks, SUVs, and RVs, this universal instrument works with a wide 9-36V power supply.

This gauge combines three essential readouts into one compact unit. The digital LCD display makes it easy to see your oil pressure, coolant temperature, and voltage levels without guessing. It is built for easy installation and delivers precise, stable readings to help you catch potential problems early.

The gauge includes a self-learning function that adapts to your vehicle's oil float resistance. It also features an anti-shake design for the oil level reading, so the display stays accurate even on bumpy roads. When voltage runs too high or too low, the screen flashes an alarm to alert you.

Whether you drive a daily commuter, a work truck, or an off-road vehicle, this gauge provides reliable data in a simple, space-saving format. It performs well in a range of temperatures and is built to handle the vibrations of regular driving.

Key Features and Benefits

- 3-in-1 digital display that shows oil pressure, water temperature, and voltage in one screen for quick monitoring

• Wide 9-36V working voltage that fits most cars, trucks, SUVs, and RVs without extra adapters

• Self-learning function that automatically matches your vehicle's oil float resistance for accurate readings

• Anti-shake oil level feature that keeps the display stable during bumps and rough roads

• Flashing voltage alarm that warns you when power is too low or too high to prevent damage

• Easy installation with included sensors and screws for a straightforward setup

Who Is This For

- Car owners who want a simple way to track engine oil pressure and coolant temperature

• Truck and RV drivers who need reliable gauge readings during long trips

• DIY mechanics adding aftermarket monitoring to their vehicle's dashboard

• Off-road enthusiasts who drive on rough terrain and need stable, accurate data

Usage Scenario

Mark drives his old SUV on weekend camping trips. He noticed the temperature gauge on his dashboard was not reliable. After installing this 3-in-1 gauge, he can see the exact water temperature and oil pressure on a bright digital display. On a bumpy forest road, the reading stayed steady, and the voltage alarm gave him peace of mind when he ran the winch. Now he checks the gauge before every trip.

Micro Comparison

Many single-function gauges require separate units for oil pressure, temperature, and voltage. This 3-in-1 model combines them into one compact display, saving dashboard space and reducing wiring. Its self-learning oil float feature also sets it apart from basic gauges that need manual calibration.

Specifications

Material: Plastic shell

Color: Black

Working Voltage: 9-36V

Working Temperature: -40 to 50°C / -40 to 122°F

Power Cable Length: approx. 50 cm / 19.7 in

Voltage Test Range: 9-39V, Accuracy: ±0.1%

Water Temperature Measurement Range: -10 to 120°C / 14 to 248°F, Accuracy: ±0.1%

Oil Test Range: 0-1.0 MPa, Accuracy: ±0.1%

Water Temperature Sensor Thread: M10

Oil Pressure Sensor Thread: 1/8 NPT

Measurement Speed: 3-5 seconds

Please allow 1-3 cm / 0.4-1.2 in difference due to manual measurement.

Package Includes

- 1 x Car Instrument

• 2 x Screws

Why You Will Love It

You will appreciate having three critical engine readings in one easy-to-read display. The self-learning setup saves you time, and the anti-shake design keeps data reliable on any road. It is a practical upgrade for anyone who wants to stay informed about their vehicle's condition.

Questions and Answers

Question: Can I install this gauge myself?

Answer: Yes, installation is designed to be straightforward. The gauge comes with sensors and screws, and the power cable connects to your vehicle's 9-36V system.

Question: Does this gauge work on a 12V car?

Answer: Yes, it works on 12V systems as well as 24V systems. The working voltage range is 9-36V, covering most cars, trucks, and RVs.

Question: What does the flashing alarm mean?

Answer: The alarm flashes when the voltage is lower than 10V, between 16-20V, or above 31V. This alerts you to potential electrical issues.

Question: Will the gauge stay accurate on bumpy roads?

Answer: Yes, the oil level reading has an anti-shake function that keeps the display stable even when the vehicle hits bumps or rough terrain.

Question: Does the gauge need calibration for my vehicle?

Answer: No, the gauge has a self-learning function that automatically adapts to your vehicle's oil float resistance, so no manual calibration is needed.