VIVOSUN LumaLight 400W LED Grow Light, Full Spectrum Plant Light, Smart Dimmable & High PPFD for Indoor Plants Seedling Vegetables Bloom, Fits 4×4/5×5 Grow Tents

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Low Costs & High Efficiency: VIivosun VS4000 LED grow light uses full-spectrum diodes & brand driver for high energy efficiency with 2.9 μmol/J; Extremely high output but consumes only 400W of electricity. It can cover 4x4ft. area (5x5ft. max) | Convenient Dimmable Lights: This LED grow light has a dimming knob & ballast, so it adapts to different plant growth stages by adjusting its output from 25% to 100% | Sunlike Full-Spectrum Light: These VS4000 LEDs deliver the optimal full-spectrum covera