3-in-1 Car Voltmeter Thermometer USB Charger 12/24V LED
3-in-1 Car Voltmeter Thermometer USB Charger 12/24V LED
3-in-1 Car Voltmeter, Thermometer & USB Charger – 12V/24V LED Digital Display
Keep your vehicle's battery and cabin temperature in check with this compact, multifunctional 3-in-1 car monitor. Model VST-706 plugs directly into your car's cigarette lighter socket — no wiring, no professional installation required. In seconds you'll have a real-time readout of your battery voltage, interior temperature, and a 5V/2.1A USB port ready to charge your devices.
Made in Mainland China.
Key Features
- 3 Functions in 1: LED digital voltmeter, thermometer, and USB device charger — all in one plug-in unit.
- Universal Fit: Compatible with 12V and 24V vehicles — cars, trucks, SUVs, and more.
- Real-Time Battery Monitoring: Instantly displays your battery voltage so you always know your vehicle's power status.
- Temperature Display: Monitors interior temperature with a measurement range of 9°C to 80°C (48°F to 176°F).
- USB Charging Output: 5V / 2.1A USB port to charge smartphones, tablets, and other devices while you drive.
- Bright LED Display: High-brightness dual digital display with available color combinations: Red + Red, Red + Blue, or Red + Green.
- Easy No-Tool Installation: Simply insert into the cigarette lighter socket — ready to use immediately.
- Compact & Lightweight: Measures just 75 × 47 × 47 mm and weighs only 33 g — barely noticeable on your dashboard.
- Low Power Consumption: Efficient design won't drain your battery.
Specifications
| Model | VST-706 |
| Input Voltage | 12V / 24V DC |
| USB Output | 5V / 2.1A |
| Temperature Range | 9°C – 80°C |
| Display | LED Digital Display |
| Display Colors | Red+Red, Red+Blue, Red+Green |
| Material | ABS + Electronic Components |
| Product Color | Black |
| Dimensions | 75 × 47 × 47 mm / 2.95 × 1.85 × 1.85" |
| Net Weight | 33 g |
| Compatibility | Universal (all 12V/24V vehicles) |
What's in the Box
- 1 × 3-in-1 Car LED Digital Voltmeter + Thermometer + USB Charger (VST-706)
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Learn more: FuelEconomy.gov driving efficiency guidance
Frequently Asked Questions
Q: Is this car voltmeter compatible with both 12V and 24V vehicles?
A: Yes! The VST-706 is fully compatible with both 12V and 24V vehicle systems, making it suitable for standard passenger cars, trucks, SUVs, and larger commercial vehicles alike.
Q: How do I install the 3-in-1 car voltmeter thermometer?
A: Installation is effortless — simply plug it into your vehicle's cigarette lighter (12V/24V socket). No wiring, no tools, and no professional skills required. The LED digital display lights up immediately.
Q: What temperature range does the built-in thermometer measure?
A: The integrated digital thermometer monitors temperatures from 9°C to 80°C, giving you a clear real-time readout of your vehicle's interior conditions.
Q: How fast does the USB port charge my devices?
A: The USB charging port delivers 5V at 2.1A, which supports fast charging for most smartphones, tablets, and other USB-powered devices while you drive.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.