{"product_id":"waterproof-dc-4-100v-led-digital-voltmeter-panel-gauge","title":"Waterproof DC 4-100V LED Digital Voltmeter Panel Gauge","description":"\n\u003ch2\u003eWaterproof DC 4-100V LED Digital Voltmeter Panel Gauge\u003c\/h2\u003e\n\u003cp\u003eStay in full control of your vehicle's electrical system with this compact, waterproof \u003cstrong\u003eDC Digital Voltmeter Gauge\u003c\/strong\u003e. Measuring DC voltages from 4V to 100V with ±1% tolerance, it delivers fast, accurate readings on a bright three-digit LED display — available in red, blue, or green. Whether you're monitoring your car, motorcycle, boat, bus, or trailer battery, this panel-mount meter keeps you informed at a glance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Measures DC 4–100V directly — no external power supply needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Connection Protection:\u003c\/strong\u003e Built-in safeguard prevents damage from accidental reverse wiring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof \u0026amp; Durable:\u003c\/strong\u003e Constructed from ABS and flame-retardant materials for long-lasting use in demanding environments.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBright LED Display:\u003c\/strong\u003e Three-digit round LED tube display with a fast ~300ms refresh rate; blue and green options deliver enhanced outdoor visibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e Operates reliably from -30°C to +65°C (-22°F to 149°F).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Portable:\u003c\/strong\u003e Easy to panel-mount or carry in a toolbox; 20cm lead wires included for quick hookup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Vehicle Compatible:\u003c\/strong\u003e Ideal for cars, motorcycles, buses, boats, ships, RVs, and trailers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasuring Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 4–100V (direct measurement)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAllowable Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±1%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eThree-digit round LED digital tube\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed, Blue, Green\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRefresh Speed\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~300ms\/reading\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS + Flame-retardant plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~33.8 × 33.8 × 18 mm (1.33 × 1.33 × 0.71 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHole Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 mm (1.18 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLead Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~20 cm (7.87 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-30°C to +65°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\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 × Automotive Voltmeter Gauge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eGreat Pairing Accessories\u003c\/h3\u003e\n\u003cp\u003eLooking to keep your electrical tools and accessories organized? Check out these handy store picks:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\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 — Keep your batteries neatly stored and ready to go.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box\u003c\/a\u003e — Tidy up cables and accessories in your workspace or vehicle.\u003c\/li\u003e\n  \u003cli\u003e\n\u003ca href=\"\/products\/1pc-sheath-fold-knife-plier-bag-pouch-case-sheath-belt-loop-pocket-carry-storage-flashlight-holder-waist-pack\"\u003e1PC Sheath Fold Knife Plier Bag Pouch\u003c\/a\u003e — Carry your tools securely with a convenient belt pouch.\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: What voltage range does this digital voltmeter panel gauge measure?\u003c\/h4\u003e\n\u003cp\u003eA: This voltmeter directly measures DC voltages from \u003cstrong\u003e4V to 100V\u003c\/strong\u003e with a ±1% tolerance, making it suitable for most 12V, 24V, 48V, and higher-voltage DC systems found in cars, motorcycles, boats, and solar setups.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this voltmeter require an external power supply to operate?\u003c\/h4\u003e\n\u003cp\u003eA: No — the gauge draws its operating power directly from the circuit being measured (DC 4–100V), so no separate power source is needed. Simply connect the included lead wires to the circuit you want to monitor.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this voltmeter truly waterproof for outdoor or marine use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The gauge is built from waterproof ABS and flame-retardant materials, making it suitable for outdoor, marine, and automotive panel installations where it may be exposed to moisture and varying temperatures (-30°C to +65°C).\u003c\/p\u003e\n\u003ch4\u003eQ: Which LED display color is best for outdoor use?\u003c\/h4\u003e\n\u003cp\u003eA: According to the manufacturer, the \u003cstrong\u003eblue and green\u003c\/strong\u003e LED display options offer more visible brightness in outdoor and bright-light conditions. The red option is excellent for darker environments or night use.\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\": \"What voltage range does this digital voltmeter panel gauge measure?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This voltmeter directly measures DC voltages from 4V to 100V with a ±1% tolerance, making it suitable for most 12V, 24V, 48V, and higher-voltage DC systems found in cars, motorcycles, boats, and solar setups.\"}}, {\"@type\": \"Question\", \"name\": \"Does this voltmeter require an external power supply to operate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No — the gauge draws its operating power directly from the circuit being measured (DC 4–100V), so no separate power source is needed. 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The red option is excellent for darker environments or night use.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"Waterproof DC 4-100V LED Digital Voltmeter Panel Gauge\", \"item\": \"https:\/\/x1davz-b4.myshopify.com\/products\/waterproof-dc-4-100v-led-digital-voltmeter-panel-gauge\"}]}\u003c\/script\u003e","brand":"Nixie","offers":[{"title":"red","offer_id":67917083345177,"sku":"1005010642104823-red","price":4.14,"currency_code":"USD","in_stock":true},{"title":"blue","offer_id":67917083377945,"sku":"1005010642104823-blue","price":5.16,"currency_code":"USD","in_stock":true},{"title":"green","offer_id":67917083410713,"sku":"1005010642104823-green","price":5.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/3497\/7561\/files\/S68a8b681e669462e8aa6061886bca0d8D.webp?v=1792895810","url":"https:\/\/shinebrightlyshop.com\/products\/waterproof-dc-4-100v-led-digital-voltmeter-panel-gauge","provider":"BRIGHTLY","version":"1.0","type":"link"}