{"product_id":"jamher-dc-voltmeter-gauge-4-100v-6-pack-2-red-2-green-2-blue-waterproof-led-low-current","title":"JAMHER DC Voltmeter Gauge 4–100V 6-Pack (2 Red, 2 Green, 2 Blue) Waterproof LED, Low-Current","description":"\u003cp\u003e\u003cstrong\u003eCompact waterproof DC voltmeters that display 4–100V with bright three-digit LED readouts in red, green, and blue.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese JAMHER round panel voltmeters are small, low-current meters designed to monitor DC battery and system voltage across vehicles and equipment. Each set contains six waterproof gauge heads—two in red, two in green, and two in blue—plus quick-connect terminals for simple wiring. The displays offer clear numeric voltage readings, reverse-polarity protection to prevent damage from incorrect wiring, and a compact form factor that fits into tight dash or panel cutouts.\u003c\/p\u003e\n\n\u003ch3\u003eHow accurate and wide is the voltage measurement range?\u003c\/h3\u003e\n\u003cp\u003eEach meter reads DC voltages from 4V up to 100V using a three-digit LED display for straightforward monitoring. Values below 4V will not register, and inputs above 100V risk permanent damage, so observe the rating during installation and use.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMeasuring range: DC 4–100V\u003c\/li\u003e\n  \u003cli\u003eThree-digit LED readout for precise values\u003c\/li\u003e\n  \u003cli\u003eNot functional under 4V; avoid exceeding 100V\u003c\/li\u003e\n  \u003cli\u003eTypical circuit load current: 5–6 mA (low power draw)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan these gauges survive outdoor or wet conditions?\u003c\/h3\u003e\n\u003cp\u003eYes—JAMHER built the housings to be waterproof and durable, suitable for exposed vehicle dashboards, marine panels, and other moist settings. The plastic enclosure and sealed display help keep moisture out, but make sure cable connections are also protected for reliable long-term performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eWaterproof design for wet environments\u003c\/li\u003e\n  \u003cli\u003eRobust plastic housing for daily wear\u003c\/li\u003e\n  \u003cli\u003eSuitable for boats, motorcycles, and outdoor equipment\u003c\/li\u003e\n  \u003cli\u003eStore and operate within -40 to 50°C for best life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what safety features are included?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward: each meter arrives with 90 cm leads and quick-connection terminals so you can mount and wire them with minimal tools. They include reverse polarity protection so incorrect wiring won’t burn the unit, though a reversed connection will simply prevent a reading.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded 90 cm (35.4\") wire leads and quick-connect terminals\u003c\/li\u003e\n  \u003cli\u003eCompact round shape fits small panel cutouts\u003c\/li\u003e\n  \u003cli\u003eReverse-polarity protection prevents component damage\u003c\/li\u003e\n  \u003cli\u003eLow quiescent current keeps battery drain minimal\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhere are these voltmeters most useful?\u003c\/h3\u003e\n\u003cp\u003eThese meters are versatile for many DC-powered systems where ongoing voltage visibility matters. They are commonly used in automotive dashboards, motorcycles, golf carts, marine craft, RVs, and test rigs to watch battery condition and electrical health without bulky instruments.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomobiles, motorcycles, and scooters\u003c\/li\u003e\n  \u003cli\u003eBoats, yachts, and marine panels\u003c\/li\u003e\n  \u003cli\u003eCaravans, trailers, and RV electrical systems\u003c\/li\u003e\n  \u003cli\u003eWorkshops and test equipment for quick checks\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: DIYers, mechanics, fleet managers, boat owners, and hobbyists who need a compact, waterproof digital voltmeter to keep track of DC system voltage. The six-piece pack with three display colors is ideal for monitoring multiple circuits at once or replacing several dashboard indicators simultaneously. Remember to observe the 4–100V range and protect wiring connections to ensure reliable, long-lasting operation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What voltage range does the JAMHER voltmeter support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It measures DC voltages from 4V up to 100V. Do not exceed 100V to avoid damaging the unit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will the meter be damaged if I wire it backwards?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No—the meter has reverse-polarity protection and won’t burn, but it simply won’t display when connected incorrectly.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JAMHER","offers":[{"title":"Default Title","offer_id":67595613044921,"sku":"B0DN9DF9P3","price":52.51,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/jamher-front-panel-red-green-blue-set.jpg?v=1790590893","url":"https:\/\/redleafauto.ca\/products\/jamher-dc-voltmeter-gauge-4-100v-6-pack-2-red-2-green-2-blue-waterproof-led-low-current","provider":"Redleaf Auto","version":"1.0","type":"link"}