{"product_id":"growers-choice-roi-ff-640-640w-full-spectrum-led-grow-light","title":"Grower's Choice ROI-FF-640 640W Full Spectrum LED Grow Light","description":"\u003cp data-start=\"99\" data-end=\"570\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"103\" data-end=\"167\"\u003eGrower's Choice ROI-FF-640 640W Full Spectrum LED Grow Light\u003c\/strong\u003e is a commercial bar-style fixture engineered specifically for professional flowering environments where maximum efficiency, uniform canopy coverage, and long-term reliability are essential. Built around Grower's Choice's proven 3K Full Phase spectrum, the ROI-FF-640 delivers exceptional photon output while minimizing unnecessary red loading, helping growers produce consistent, high-quality harvests.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"572\" data-end=\"1033\"\u003eOperating at 640 watts, the ROI-FF-640 delivers an impressive \u003cstrong data-start=\"634\" data-end=\"654\"\u003e1,920 µmol\/s PPF\u003c\/strong\u003e with a fixture efficacy of \u003cstrong data-start=\"682\" data-end=\"696\"\u003e3.0 µmol\/J\u003c\/strong\u003e, providing the high-intensity light levels required for commercial flowering applications while maintaining outstanding energy efficiency. Its optimized spectrum is designed to support vigorous flower development, healthy plant structure, and consistent crop quality throughout the flowering cycle.\u003c\/p\u003e\n\u003cp data-start=\"1035\" data-end=\"1515\"\u003eDesigned for professional cultivation facilities, the ROI-FF-640 operates across an exceptionally wide \u003cstrong data-start=\"1138\" data-end=\"1165\"\u003e108–480V AC input range\u003c\/strong\u003e, making it compatible with a variety of commercial electrical infrastructures. Integrated onboard dimming and external \u003cstrong data-start=\"1285\" data-end=\"1316\"\u003e0–10V dimming compatibility\u003c\/strong\u003e allow growers to precisely control light intensity while integrating seamlessly with commercial lighting control systems and environmental automation platforms.\u003c\/p\u003e\n\u003cp data-start=\"1517\" data-end=\"1841\"\u003eIts commercial-grade multi-bar design distributes light evenly across the canopy, reducing hotspots while improving light penetration throughout the crop. The open bar configuration also promotes excellent passive cooling, allowing the fixture to operate quietly without fans while maintaining stable operating temperatures.\u003c\/p\u003e\n\u003cp data-start=\"1843\" data-end=\"2310\"\u003eThe ROI-FF-640 is built for demanding cultivation environments with an \u003cstrong data-start=\"1914\" data-end=\"1943\"\u003eIP66 environmental rating\u003c\/strong\u003e, DLC and ETL certifications, and an \u003cstrong data-start=\"1980\" data-end=\"2025\"\u003eL90 rated lifespan exceeding 54,000 hours\u003c\/strong\u003e. Its isolated driver architecture, passive thermal management, and durable commercial construction provide dependable long-term performance for professional growers operating continuously throughout the year.\u003c\/p\u003e\n\u003ch3 data-section-id=\"e4w2ax\" data-start=\"2312\" data-end=\"2345\"\u003eProven 3K Full Phase Spectrum\u003c\/h3\u003e\n\u003cp data-start=\"2347\" data-end=\"2485\"\u003eThe ROI-FF-640 utilizes Grower's Choice's proven \u003cstrong data-start=\"2396\" data-end=\"2422\"\u003e3K Full Phase spectrum\u003c\/strong\u003e, specifically developed for commercial flowering applications.\u003c\/p\u003e\n\u003cp data-start=\"2487\" data-end=\"2635\"\u003eIts balanced full-spectrum output promotes vigorous flowering, healthy plant development, and consistent crop quality without excessive red loading.\u003c\/p\u003e\n\u003ch3 data-section-id=\"bv0xh2\" data-start=\"2637\" data-end=\"2679\"\u003eHigh-Efficiency Commercial Performance\u003c\/h3\u003e\n\u003cp data-start=\"2681\" data-end=\"2803\"\u003eOperating at \u003cstrong data-start=\"2694\" data-end=\"2707\"\u003e640 watts\u003c\/strong\u003e, the fixture delivers \u003cstrong data-start=\"2730\" data-end=\"2750\"\u003e1,920 µmol\/s PPF\u003c\/strong\u003e with an industry-leading efficacy of \u003cstrong data-start=\"2788\" data-end=\"2802\"\u003e3.0 µmol\/J\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"2805\" data-end=\"2911\"\u003eThis combination allows growers to maximize photon delivery while reducing overall electrical consumption.\u003c\/p\u003e\n\u003ch3 data-section-id=\"7upnvt\" data-start=\"2913\" data-end=\"2954\"\u003eWide Commercial Voltage Compatibility\u003c\/h3\u003e\n\u003cp data-start=\"2956\" data-end=\"3102\"\u003eThe ROI-FF-640 operates across an expansive \u003cstrong data-start=\"3000\" data-end=\"3031\"\u003e108V to 480V AC input range\u003c\/strong\u003e, making it suitable for virtually any commercial cultivation facility.\u003c\/p\u003e\n\u003cp data-start=\"3104\" data-end=\"3196\"\u003eThis flexibility simplifies installation across both new construction and retrofit projects.\u003c\/p\u003e\n\u003ch3 data-section-id=\"uvufl9\" data-start=\"3198\" data-end=\"3238\"\u003eUniform Bar-Style Light Distribution\u003c\/h3\u003e\n\u003cp data-start=\"3240\" data-end=\"3319\"\u003eIts multi-bar fixture design distributes light evenly across the entire canopy.\u003c\/p\u003e\n\u003cp data-start=\"3321\" data-end=\"3433\"\u003eUniform photon distribution helps reduce hotspots while improving lower canopy penetration and crop consistency.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ofcwfp\" data-start=\"3435\" data-end=\"3473\"\u003eIntegrated Onboard \u0026amp; 0–10V Dimming\u003c\/h3\u003e\n\u003cp data-start=\"3475\" data-end=\"3575\"\u003eThe fixture features both \u003cstrong data-start=\"3501\" data-end=\"3529\"\u003eonboard dimming controls\u003c\/strong\u003e and \u003cstrong data-start=\"3534\" data-end=\"3574\"\u003e0–10V external dimming compatibility\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3577\" data-end=\"3695\"\u003eGrowers can easily adjust light intensity manually or integrate the fixture into centralized lighting control systems.\u003c\/p\u003e\n\u003ch3 data-section-id=\"yfpmg2\" data-start=\"3697\" data-end=\"3724\"\u003ePassive Fanless Cooling\u003c\/h3\u003e\n\u003cp data-start=\"3726\" data-end=\"3805\"\u003eThe ROI-FF-640 utilizes passive aluminum heat dissipation with no moving parts.\u003c\/p\u003e\n\u003cp data-start=\"3807\" data-end=\"3914\"\u003eFanless cooling reduces maintenance requirements, eliminates fan noise, and improves long-term reliability.\u003c\/p\u003e\n\u003ch3 data-section-id=\"dv0o1t\" data-start=\"3916\" data-end=\"3955\"\u003eCommercial Environmental Protection\u003c\/h3\u003e\n\u003cp data-start=\"3957\" data-end=\"4121\"\u003eAn \u003cstrong data-start=\"3960\" data-end=\"3989\"\u003eIP66 environmental rating\u003c\/strong\u003e protects the fixture against dust and powerful water exposure, making it well suited for demanding indoor cultivation environments.\u003c\/p\u003e\n\u003cp data-start=\"4123\" data-end=\"4227\"\u003eCombined with DLC and ETL certifications, the fixture is engineered for continuous commercial operation.\u003c\/p\u003e\n\u003ch3 data-section-id=\"bi7l9t\" data-start=\"4229\" data-end=\"4263\"\u003eBuilt for Long-Term Production\u003c\/h3\u003e\n\u003cp data-start=\"4265\" data-end=\"4446\"\u003eThe ROI-FF-640 carries an \u003cstrong data-start=\"4291\" data-end=\"4330\"\u003eL90 lifespan exceeding 54,000 hours\u003c\/strong\u003e, meaning the fixture is designed to maintain at least 90% of its original light output over its rated service life.\u003c\/p\u003e\n\u003cp data-start=\"4448\" data-end=\"4662\"\u003eIts isolated driver architecture and commercial-grade construction provide dependable performance for professional cultivation facilities.\u003c\/p\u003e\n\u003ch3 data-section-id=\"w3a6bn\" data-start=\"0\" data-end=\"18\" class=\"PDq2pG_selectionAnchorContainer\"\u003eWhat's Included\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"20\" data-end=\"151\"\u003e\n\u003cli data-section-id=\"1554zf9\" data-start=\"20\" data-end=\"63\"\u003eGrower's Choice ROI-FF-640 LED Grow Light\u003c\/li\u003e\n\u003cli data-section-id=\"4qwu6k\" data-start=\"64\" data-end=\"87\"\u003eIntegrated LED Driver\u003c\/li\u003e\n\u003cli data-section-id=\"9i9pdt\" data-start=\"88\" data-end=\"117\"\u003eAdjustable Hanging Hardware\u003c\/li\u003e\n\u003cli data-section-id=\"dl8dgt\" data-start=\"118\" data-end=\"130\"\u003ePower Cord\u003c\/li\u003e\n\u003cli data-section-id=\"sfaaa6\" data-start=\"131\" data-end=\"151\"\u003eInstallation Guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable data-start=\"172\" data-end=\"1006\" class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead data-start=\"172\" data-end=\"199\"\u003e\n\u003ctr data-start=\"172\" data-end=\"199\"\u003e\n\u003cth data-start=\"172\" data-end=\"188\" data-col-size=\"sm\" class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003cth data-start=\"188\" data-end=\"199\" data-col-size=\"md\" class=\"last:pe-10\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody data-start=\"228\" data-end=\"1006\"\u003e\n\u003ctr data-start=\"228\" data-end=\"255\"\u003e\n\u003ctd data-start=\"228\" data-end=\"236\" data-col-size=\"sm\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"236\" data-end=\"255\"\u003eGrower's Choice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"256\" data-end=\"295\"\u003e\n\u003ctd data-start=\"256\" data-end=\"266\" data-col-size=\"sm\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"266\" data-end=\"295\" data-col-size=\"md\"\u003eROI-FF-640 LED Grow Light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"296\" data-end=\"318\"\u003e\n\u003ctd data-start=\"296\" data-end=\"304\" data-col-size=\"sm\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"304\" data-end=\"318\"\u003eROI-FF-640\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"319\" data-end=\"373\"\u003e\n\u003ctd data-start=\"319\" data-end=\"334\" data-col-size=\"sm\"\u003e\u003cstrong\u003eFixture Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"334\" data-end=\"373\" data-col-size=\"md\"\u003eCommercial Bar-Style LED Grow Light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"374\" data-end=\"402\"\u003e\n\u003ctd data-start=\"374\" data-end=\"385\" data-col-size=\"sm\"\u003e\u003cstrong\u003eSpectrum\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"385\" data-end=\"402\" data-col-size=\"md\"\u003e3K Full Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"403\" data-end=\"431\"\u003e\n\u003ctd data-start=\"403\" data-end=\"423\" data-col-size=\"sm\"\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"423\" data-end=\"431\" data-col-size=\"md\"\u003e640W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"432\" data-end=\"465\"\u003e\n\u003ctd data-start=\"432\" data-end=\"451\" data-col-size=\"sm\"\u003e\u003cstrong\u003eFixture Efficacy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"451\" data-end=\"465\" data-col-size=\"md\"\u003e3.0 µmol\/J\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"466\" data-end=\"495\"\u003e\n\u003ctd data-start=\"466\" data-end=\"479\" data-col-size=\"sm\"\u003e\u003cstrong\u003ePPF Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"479\" data-end=\"495\"\u003e1,920 µmol\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"496\" data-end=\"527\"\u003e\n\u003ctd data-start=\"496\" data-end=\"512\" data-col-size=\"sm\"\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"512\" data-end=\"527\"\u003e108–480V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"528\" data-end=\"558\"\u003e\n\u003ctd data-start=\"528\" data-end=\"546\" data-col-size=\"sm\"\u003e\u003cstrong\u003eInput Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"546\" data-end=\"558\"\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"559\" data-end=\"591\"\u003e\n\u003ctd data-start=\"559\" data-end=\"569\" data-col-size=\"sm\"\u003e\u003cstrong\u003eDimming\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"569\" data-end=\"591\"\u003eIntegrated \u0026amp; 0–10V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"592\" data-end=\"625\"\u003e\n\u003ctd data-start=\"592\" data-end=\"606\" data-col-size=\"sm\"\u003e\u003cstrong\u003eDriver Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"606\" data-end=\"625\" data-col-size=\"md\"\u003eIsolated Driver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"626\" data-end=\"655\"\u003e\n\u003ctd data-start=\"626\" data-end=\"636\" data-col-size=\"sm\"\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"636\" data-end=\"655\"\u003ePassive Fanless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"656\" data-end=\"676\"\u003e\n\u003ctd data-start=\"656\" data-end=\"668\" data-col-size=\"sm\"\u003e\u003cstrong\u003eIP Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-start=\"668\" data-end=\"676\" data-col-size=\"md\"\u003eIP66\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"677\" data-end=\"706\"\u003e\n\u003ctd data-start=\"677\" data-end=\"694\" data-col-size=\"sm\"\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"694\" data-end=\"706\"\u003eDLC, ETL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"707\" data-end=\"745\"\u003e\n\u003ctd data-start=\"707\" data-end=\"724\" data-col-size=\"sm\"\u003e\u003cstrong\u003eRated Lifespan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"724\" data-end=\"745\"\u003eL90 \u0026gt;54,000 Hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"746\" data-end=\"801\"\u003e\n\u003ctd data-start=\"746\" data-end=\"770\" data-col-size=\"sm\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"770\" data-end=\"801\"\u003e0°C to 40°C (32°F to 104°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"802\" data-end=\"839\"\u003e\n\u003ctd data-start=\"802\" data-end=\"815\" data-col-size=\"sm\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"815\" data-end=\"839\"\u003e42.7 × 42.0 × 2.9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"840\" data-end=\"879\"\u003e\n\u003ctd data-start=\"840\" data-end=\"857\" data-col-size=\"sm\"\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"857\" data-end=\"879\"\u003e31.9 lbs (14.5 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr data-start=\"880\" data-end=\"1006\"\u003e\n\u003ctd data-start=\"880\" data-end=\"907\" data-col-size=\"sm\"\u003e\u003cstrong\u003eRecommended Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-col-size=\"md\" data-start=\"907\" data-end=\"1006\"\u003eCommercial Flower Rooms, Indoor Agriculture, Vertical Farming, Greenhouses, Facility Expansions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Grower’s Choice","offers":[{"title":"Default Title","offer_id":49698285256954,"sku":"GCH-GROWERS-ROI-FF-640-640W","price":1199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/7487\/9482\/files\/Grower_sChoiceROI-FF-640.png?v=1784071124","url":"https:\/\/cultivasupply.com\/products\/growers-choice-roi-ff-640-640w-full-spectrum-led-grow-light","provider":"Cultiva Supply","version":"1.0","type":"link"}