LED Grow Light 300W Full Spectrum Dimmable, Daisy Chain

300W LED grow light delivers full-spectrum, dimmable intensity to support healthier indoor plants from germination to bloom. Sunlight-like output combines 3000K, 6500K, 660nm red, and 760nm IR to cover every growth stage in grow tents, greenhouses, racks, and balconies. A fanless aluminum board runs quieter and cooler, while IP65 protection and dust-resistant ports help reduce maintenance in busy grow spaces.

• Delivers full spectrum (3000K/6500K/660nm/760nm) for seedling, veg, and flowering cycles


• Adjusts brightness with 5-step dimming, including EXT/RJ control for independent or grouped settings


• Connects up to 30 lights via daisy chain for unified dimming in larger tents or greenhouse rows


• Runs cooler with thickened aluminum plate and fanless design to help prevent heat stress


• Resists moisture and dust with IP65 rating and dustproof interfaces for easier cleanup

Built for growers who want strong, even canopy coverage without constant tuning, this dimmable full-spectrum fixture pairs efficient Samsung 281B diodes with a ventilation-friendly layout to push light where plants need it most. Use the adjustable hanging setup to dial in height through each phase, then expand your room with tandem dimming when you scale. Add it to your grow tent or greenhouse setup and keep your lighting consistent from start to finish—grab yours today.

• Power: 300W ±10%


• Input voltage: AC 120–277V


• LEDs: Samsung 281B diodes, 710 beads


• Spectrum: 3000K + 6500K + 660nm red + 760nm IR


• PPF: ≥580 μmol/s


• PPFD: ≥1300 μmol/m²·s (0.6 × 1.2 m)


• PPE: 2.2–2.3


• Luminous flux: ≥40000 lm


• Dimming: 5-segment; tandem dimming with RJ control


• Waterproof grade: IP65


• Main material: Aluminum; board thickness 4 mm


• Item size (L×W×H): 40 × 60 × 12 cm (15.75 × 23.62 × 4.72 in)


• Net weight: 5.5 kg (12.13 lb); Gross weight: 8.2 kg (18.08 lb)


• Rated humidity: ≤95%; Air pressure: 90–106 kPa


• Certifications: ETL, CE


• Service life: 50,000 hours