{"product_id":"3-in-1-car-voltmeter-thermometer-usb-charger-12-24v-led-digital","title":"3-in-1 Car Voltmeter Thermometer USB Charger 12\/24V LED","description":"\n\u003ch2\u003e3-in-1 Car Voltmeter, Thermometer \u0026amp; USB Charger – 12V\/24V LED Digital Display\u003c\/h2\u003e\n\u003cp\u003eKeep 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.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Functions in 1:\u003c\/strong\u003e LED digital voltmeter, thermometer, and USB device charger — all in one plug-in unit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Compatible with 12V and 24V vehicles — cars, trucks, SUVs, and more.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReal-Time Battery Monitoring:\u003c\/strong\u003e Instantly displays your battery voltage so you always know your vehicle's power status.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Display:\u003c\/strong\u003e Monitors interior temperature with a measurement range of 9°C to 80°C (48°F to 176°F).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Charging Output:\u003c\/strong\u003e 5V \/ 2.1A USB port to charge smartphones, tablets, and other devices while you drive.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBright LED Display:\u003c\/strong\u003e High-brightness dual digital display with available color combinations: Red + Red, Red + Blue, or Red + Green.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy No-Tool Installation:\u003c\/strong\u003e Simply insert into the cigarette lighter socket — ready to use immediately.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Measures just 75 × 47 × 47 mm and weighs only 33 g — barely noticeable on your dashboard.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e Efficient design won't drain your battery.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;\"\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eVST-706\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e12V \/ 24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eUSB Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e5V \/ 2.1A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e9°C – 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eLED Digital Display\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDisplay Colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eRed+Red, Red+Blue, Red+Green\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eABS + Electronic Components\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eProduct Color\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e75 × 47 × 47 mm \/ 2.95 × 1.85 × 1.85\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e33 g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eUniversal (all 12V\/24V vehicles)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 3-in-1 Car LED Digital Voltmeter + Thermometer + USB Charger (VST-706)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-exhaust-duct-interface-pipe-hose-connector-for-ac-exhaust-pipe-extension-joint-does-not-require-clamp-ring-comes-with-thread\"\u003e1PC Exhaust Duct Interface Pipe Hose Connector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.fueleconomy.gov\/feg\/drive.shtml\" target=\"_blank\" rel=\"noopener\"\u003eFuelEconomy.gov driving efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this car voltmeter compatible with both 12V and 24V vehicles?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I install the 3-in-1 car voltmeter thermometer?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: What temperature range does the built-in thermometer measure?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: How fast does the USB port charge my devices?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo 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.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this car voltmeter compatible with both 12V and 24V vehicles?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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.\"}}, {\"@type\": \"Question\", \"name\": \"How do I install the 3-in-1 car voltmeter thermometer?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Installation is effortless — simply plug it into your vehicle's cigarette lighter (12V\/24V socket). 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