{"product_id":"12-24v-dc-led-dimmer-switch-pwm-rotary-knob-rv-boat-truck","title":"12-24V DC PWM LED Dimmer Switch Rotary Knob – RV Boat Truck","description":"\n\u003ch2\u003e12–24V DC PWM LED Dimmer Switch with Rotary Knob\u003c\/h2\u003e\n\u003cp\u003eTake full control of your vehicle, boat, RV, or caravan lighting with this compact and easy-to-install \u003cstrong\u003eDC LED Dimmer Switch\u003c\/strong\u003e. Featuring smooth PWM (Pulse Width Modulation) brightness adjustment from 0% to 100%, this rotary knob controller lets you set the perfect ambiance for any interior lighting scenario — from a dim, relaxed glow to full brightness at the turn of a dial.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth PWM Dimming:\u003c\/strong\u003e Adjust brightness continuously from approximately 0% to 100% for precise, flicker-free light control tailored to your environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility (12V–24V DC):\u003c\/strong\u003e Works seamlessly with a broad range of DC low-voltage lighting setups, including LED strip lights, RV interior lights, boat lights, truck lights, caravan lighting, and trailer lights.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvercurrent Protection Design:\u003c\/strong\u003e Integrated internal protection structure and resistor design help reduce issues from excess current, supporting stable, reliable daily operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable ABS \u0026amp; Aluminum Alloy Housing:\u003c\/strong\u003e Combines a lightweight, compact form factor with a tough outer shell — easy to fit into tight installation spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Vehicle \u0026amp; Marine Use:\u003c\/strong\u003e Purpose-built for RVs, boats, trucks, caravans, trailers, and any DC 12–24V lighting application requiring manual brightness control.\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\u003eItem Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED Dimmer Switch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS, Aluminium Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12–24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimming Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePWM (0%–100%)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 30g\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 36mm × 35mm × 26mm \/ 1.42\" × 1.38\" × 1.02\"\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 China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × LED Dimmer Switch\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 Silicon Grease Lubricant for O-Rings \u0026amp; Tubes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-400cm-sealing-tape-faucet-sealing-tape-oil-free-leak-proof-water-pipe-gas-pipeline-sealing-tape\"\u003e1PC 400cm Oil-Free Sealing Tape for Water Pipe \u0026amp; Gas Pipeline\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Caulking \u0026amp; Grout Finishing Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What voltage range does this DC LED dimmer switch support?\u003c\/h4\u003e\n\u003cp\u003eA: This LED dimmer switch is compatible with DC systems ranging from 12V to 24V, making it suitable for a wide variety of vehicles, boats, RVs, caravans, and low-voltage LED strip lighting setups.\u003c\/p\u003e\n\u003ch4\u003eQ: What type of dimming does this switch use?\u003c\/h4\u003e\n\u003cp\u003eA: It uses PWM (Pulse Width Modulation) dimming technology, allowing smooth, continuous brightness adjustment from approximately 0% to 100% with minimal flicker.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this dimmer switch easy to install in confined spaces?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. Its compact dimensions (approx. 36mm × 35mm × 26mm) and lightweight ABS and aluminium alloy housing make it straightforward to mount in limited spaces such as RV panels, boat consoles, truck dashboards, and caravan interiors.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this dimmer include overcurrent protection?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The dimmer features an internal protection structure with an integrated resistor design that helps manage excess current, supporting stable and consistent performance during everyday 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 DC LED dimmer switch support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This LED dimmer switch is compatible with DC systems ranging from 12V to 24V, making it suitable for a wide variety of vehicles, boats, RVs, caravans, and low-voltage LED strip lighting setups.\"}}, {\"@type\": \"Question\", \"name\": \"What type of dimming does this switch use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It uses PWM (Pulse Width Modulation) dimming technology, allowing smooth, continuous brightness adjustment from approximately 0% to 100% with minimal flicker.\"}}, {\"@type\": \"Question\", \"name\": \"Is this dimmer switch easy to install in confined spaces?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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