{"product_id":"3w-high-power-led-deep-red-650-670nm-10-pack","title":"3W High-Power LED Deep Red 650–670nm — 10-Pack","description":"\u003ch2\u003e3W High-Power LED Deep Red 650–670nm — 10-Pack\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003e3W high-power deep red LEDs\u003c\/strong\u003e at \u003cstrong\u003e650–670nm\u003c\/strong\u003e — pack of 10. The 660nm deep red wavelength is the \u003cstrong\u003eprimary absorption peak of chlorophyll-a\u003c\/strong\u003e — the most important wavelength for plant photosynthesis, flowering, and fruiting. Deep red LEDs at 650–670nm are the \u003cstrong\u003esingle most effective wavelength for plant grow lights\u003c\/strong\u003e, driving photosynthesis more efficiently than any other color. Essential for DIY grow light panels targeting maximum plant growth.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePower: \u003cstrong\u003e3W\u003c\/strong\u003e | Wavelength: \u003cstrong\u003e650–670nm (Deep Red)\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eLuminous flux: \u003cstrong\u003e100–150lm @ 700mA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eForward voltage (Vf): \u003cstrong\u003e2.0–2.4V\u003c\/strong\u003e | Forward current (If): \u003cstrong\u003e700mA\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eViewing angle: \u003cstrong\u003e120°\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMounting: \u003cstrong\u003eStar PCB (20mm) or direct solder\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003ePack: \u003cstrong\u003e10 LEDs\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCompliance: \u003cstrong\u003eRoHS compliant\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e⚠️ Important: Heat Management Required\u003c\/h3\u003e\n\u003cp\u003e3W LEDs generate significant heat. \u003cstrong\u003eAlways mount on a heatsink\u003c\/strong\u003e and use a \u003cstrong\u003econstant-current LED driver\u003c\/strong\u003e (700mA). Do not drive from Arduino directly.\u003c\/p\u003e\n\n\u003ch3\u003eWhy 660nm Deep Red for Plants?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eChlorophyll-a peak absorption\u003c\/strong\u003e — 660nm is the most efficient wavelength for photosynthesis\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eFlowering and fruiting\u003c\/strong\u003e — red light triggers phytochrome Pr→Pfr conversion for flowering\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eHighest photosynthetic efficiency\u003c\/strong\u003e — more plant growth per watt than any other wavelength\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e10-pack value\u003c\/strong\u003e — enough for a full grow light panel\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRecommended Grow Light Spectrum Mix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlue (440–470nm)\u003c\/strong\u003e: 20–30% — vegetative growth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep Red (650–670nm, this pack)\u003c\/strong\u003e: 60–70% — primary photosynthesis\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOrange (600–605nm)\u003c\/strong\u003e: 10–20% — supplemental PAR\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDIY plant grow light panel (primary red spectrum)\u003c\/li\u003e\n\u003cli\u003eIndoor farming and vertical garden LED lighting\u003c\/li\u003e\n\u003cli\u003eSeedling and clone propagation lighting\u003c\/li\u003e\n\u003cli\u003eFlowering and fruiting stage grow light\u003c\/li\u003e\n\u003cli\u003eScientific plant research illumination at 660nm\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":45672799600875,"sku":"","price":13.87,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/LED-3W-Orange-Red-Qty-10_1.jpg?v=1723007959","url":"https:\/\/keszoox.com\/products\/3w-high-power-led-deep-red-650-670nm-10-pack","provider":"Keszoox","version":"1.0","type":"link"}