All Highest-Quality, High-Efficiency Samsung, Osram LEDs Every top-bin LED is selected from the industry leader for its particular wavelength, including Samsung, Osram, etc. Nanomaterial primary coating ensures durability and cleanability while maximizing efficiency. High light intensity and energetic spectrum, crucial for canopy penetration to nourish lower leaves and flowers Even, edge-to-edge coverage eliminates leaf burn and hot spots Commercial Grade: ETL certified to UL8800 safety standards The best active heat management in the industry, crucial to maximizing LED life, efficiency, and spectrum stability Largest heat sink among LED grow lights for superior cooling and increased LED life,ultra-efficient LEDs 70,000+ hour rated lifespan BluSpec Spectrumn:The most effcient spectrum for growing plants based on over 6 years of research and testing, outperforming HPS, MH, CMH, Inducton and Fluorescent in equal wattage tests One ideal spectrum for both Veg and Flowering stagesDoes not stall plant growth like switching from MH to HPS doesEliminates the need for separate vegetative and flowering lightsDecreases internodal spacing to encourage flower and leaf growth, rather than stems Beyond PARN - UV and IR LEOS:UVIight maximizes trichome producton and makes plants more resistant to pests and diseasesOur LIV LEDs are laboratory proven to produce higher potency/acttve compounds (THC, CBD, terpenes, antioxidants/vitamins and flavonoids)IR light increases photosynthetic efficiency (Emerson Effect)o Industry-Leading 5 Year WarrantyWater-Shedding Housing can be Mounted Flush to the CeilingLargest Lighting Footprints in the Industry! Spectrum: 3000K+6500K+660nm+460-470nm+ 450nm LED Chips:LM301B 3000K 6500K 279pcs x8OSRAM 660nm 12pcs x8Osram 470nm 2pcs x8Osram 450nm 1pcsx8LEDs: 2352 Total LEDs Efficacy:2.7umol/J @277ACAC Input Power:650W @120V AC 630W@277VPPF:1715 umol/sGrams Per Watt: up to 2.0 Lifetime: >50,000 Fixture Dimensions: 113*110*4 CMWeight: 15kgCoverage Footprint:Veg: 4' x 4' area (Up to 7' x 7' area)Flower: 4' x 4' area (1.2m x 1.2m) Max: 5' x 5' area (1.5m x 1.5m) Hanging Height : Flower: 6"-24" Warranty : 5-year standard warrantyRecommended for: Grow Tents, Grow Rooms, Commercial Grows. PACKAGE INCLUDES: 1 x LED Grow Light1 x Hanging Kit1 x User Manual for Installation1 x Power Cord RECOMMENDED FOR: Grow tents, Grow rooms, Large indoor grows Soil, hydroponic, aeroponic, or aquaponic systems MANUFACTURER'S WARRANTY: 5 years 1) Eco Farm is a top-trusted online retailer offering honest grow advice and top-of-the-line LED grow lights and other grow/harvest/extraction equipment.2) Reliable International Shipping AvailableNearly all of our products can be shipped internationally using DHL or similar couriers.3) 100% Quality GuaranteeYou will buy confidently from us since only sell new, official products (no used items or clones).4) Safe, Secure, Discrete TransactionsAll card payments are processed through our encrypted SSL security processing system. Your identity is always protected.5) Hassle-Free ReturnsAnd just in case your purchase was not up to your standards, we offer return if you are not 100% satisfied for any reason.