ViparSpectra® 2024 Updated P4000 400W Full Spectrum led Grow Light Cover 5x4ft

【NEW DIODE LAYOUT】Consists with more scientifically diodes distribution to ensure more uniform PAR map and deeper canopy penetration to maximize plant yields. 【LOWER RUNNING COST】P4000 LED grow light has adopted the newest SMD LED Technology, providing high PAR output, high energy efficiency and stronger light output. Achieve greater yield while saving you on energy costs! 【DIMMER FUNCTION】An added dimmer knob is featured to manipulate the brightness level of the light, allowing flexibility to obtain perfect growth performance for each growing phase. 【OPTIMAL FULL SPECTRUM LIGHT】Consists of 52pcs 660nm of red light, 1272pcs 3000K and 632pcs 5000K of the white light spectrum and 4pcs IR 730 light, provides plants in all stages from veg to flower with everything they need in the natural sunlight. 【SUPERIOR HEAT DISSIPATION】Designed for durability. Silent fanless design. Built-in large areas of solid aluminum heat sinks, essential for heat dissipation while ensuring long lifespan of the l