Grower's Choice ROI-FF 2.0 (640) 110V-277V LED Grow Light

The Grower's Choice ROI-FF Series LED Bar Light (featuring models ROI-FF-640 and ROI-FF-650) represents a significant advancement in indoor horticulture technology designed specifically for commercial producers. Operating at a high power consumption of 640W to 650W, these fixtures generate an impressive output of up to 1,950 µmol/s PPF with an industry-leading efficacy of 3.0 µmol/J. By leveraging cutting-edge diode and driver technologies without red loading, the ROI-FF series delivers a targeted GC-3K spectrum engineered specifically for the requirements of commercial flower rooms. Key Features High Energy Efficacy: Operates at an exceptional 3.0 µmol/J efficacy, maximizing light intensity while reducing electrical costs. Powerful Photon Flux: Delivers a heavy light output of 1,920 to 1,950 µmol/s PPF for superior canopy penetration. Flowering GC-3K Spectrum: Tailored GC-3K full-phase spectrum provides optimal wavelengths for flower development without red loading. Broad Voltage Compatibility: Designed to support a wide commercial voltage range from 108V up to 480VAC. 0–10V & Onboard Dimming: Equipped with step dimming (10%–100%) and external controller compatibility for automated light control. IP66 Industrial Rating: Completely sealed against water and dust ingress, making it resistant to humid grow rooms and spray cycles. Passive Thermal Management: Features fanless, silent heat dissipation with an extended L90 lifespan exceeding 54,000 hours. Building upon Grower's Choice's established expertise, this fixture maximizes photon output and spectral quality while minimizing operational and cooling expenses. Featuring broad 108–480VAC input compatibility, passive thermal management, an IP66 water-resistant rating, and onboard 0–10V dimming control, the ROI-FF series delivers superior performance and enhanced crop yields for professional cultivation facilities. Product Specifications Light Source: LED Spectrum: GC-3K Full Phase Spectrum PPF Output: 1,920 µmol/s (640W) / 1,950 µmol/s (650W) Max Input Power: 640W – 650W Efficacy: 3.0 µmol/J Input Voltage: 108V – 480VAC Fixture Dimensions: 45" L × 44" W × 4.2" H (114.3 cm × 104 cm × 11 cm) Weight: 22 lbs (9.9 kg) Dimming Range: 0–10V & Step Dimming (10% – 100%) Light Distribution: 120° Amperage Draw: 5.55A @ 120V | 2.8A @ 240V | 2.4A @ 277V | 1.4A @ 480V Certifications: ETL, CE, DLC Listed, IP66 Operating Lifespan: L90 > 54,000 Hours