Derlights Full Spectrum 600W Led Grow Light Panel, Daisy Chain Connection, Plant Growing Lamp for Vegetable Budding Horticulture Indoor Garden Greenhouse Hydroponics, AC85-265V FULL SPECTRUMWe did lots of experimentation to ensure that this full spectrum design promotes plant growth. It includes universal Blue(142pcs) /Red (436pcs)/ IR(4pcs)/ UV(6pcs) and white light(6pcs) provide everything plant desire in the natural sunlight. The expensive IR UV led promote plants to defense mechanisms, blue and red led is essential light for plant growth. Better heat dissipationAlluminum shell With 3 built-in fans while others only uses 2 fans for 300W lights, which makes it run 75% cooler than (HID) lights, protect the lamps and plants from heat and extend lifespan. Daisy-chain functionConnect lamps together like a flower instead of chaotic power cords, easy to use. A plug and a Stainless Steel hanging kit contained; Perfect for a 2x2ft vegetative coverage at 24 Wavelength band rangeblue light (430~440nm, 450~460nm)/ red light (610~615nm, 620~630nm, 650~660nm)/ white light/ UV (380~400nm)/ IR (730nm); This plant growing light can be used for both hydroponics and plants in soil, such as tomatoes, potatoes, pepper, lettuce, etc. Suitable for all indoor growing environment: grow tent, grow room, etc. BEST SERVICEWe are a professional LED light manufacturer with strong R&D team and many light tester. 2 years warranty plus 30 days money back guarantee UL approved Fans, high quality IC, well designed fan blades, anti-noise,powerful cooling performance ensured, lifespan extended Revolutionary Heat Aluminium PCB, Run 80% cooler than high intensity discharge (HID) lights Zener, works as capacitor, protect the light keep working if there&#039;s one LED out of work Energy saving, Newest technology and high brightness Professional light proportion with best ratio of red ray and blue ray, providing better light environment for plants growth and improving the growth speed and output of plants Including IR(infrared) with the function of sterilization, stimulating cell division and increasing the yield. (not so brighter than other leds, but it&#039;s normal and not quality problem)