About this item 

• MAXIMUM UNIFORMITY & EFFICIENCY: Unique designed 6 extended LED bars to provide more even canopy coverage, especially to the outer edges cultivation areas. With 1680 pcs SAMSUNG LM301B diodes, SE5000 Led grow lights draw 480 watts with 1333 umol/s, achieving an impressive PPE of 2.75 umol/J, coverage for 4'x4′ of high-yielding full-cycle growth 
• UPGRADED FULL SPECTRUM & DIMMABLE: Full spectrum (380-410nm, 660-665nm, 730nm,3200-4200K,4800-5000K) is perfect for veg to bloom, to adapt to each phase of the plant cycle. The dimming knob is ideal for growers to adjust the light intensity according to different growing stages. 
• PASSIVELY COOLED & DETACHABLE DRIVER: Bar light design and aluminium material on the back contribute to better airflow and great heat dissipation. SE5000 plant growing light comes with a detachable driver and long power cord, thereby reducing ambient heat in your growing space for extended lifespan. With the waterproof circuit board, worry free of the moist environment. Easy installation. 
• DAISY-CHAIN DIMMING: The daisy-chain function allows you to connect up to 30 spider farmer grow lights - dimming multiple lights simultaneously. Widely applied in the commercial growing (horizontal and vertical),home grows (grow box and tents), hydroponics.