The ION LED system utilizes balanced spectrum and 4K Horticultural Full Phase Spectrum. Ultimate growing power is achieved with the best possible LED diodes available.Features:• Fanless Design• IP65 Waterproof• Dimmable: 0-10V• Lights can be connected in series• Plug and play design• OSRAM® LEDS, LM-80• ETL, UL8800, CE certification• Energy Rebate Compliant• Input Voltage:120-277VAC• Slim design and 180 degree foldable• Uniform PPFD distribution• Includes 4 Rope RatchetsSpecifications:Light Source: LEDSpectrum: FSGPPF: 800 μmol/sInput Power: 320WEfficacy: 2.5 μmol/JFixture Dimension: | 47” L x 21.1” W x 2” H | Weight: 13.2 lbs, 1193mm L x 536mm W x 50mm H |Mounting Height: >6” (15.2cm) Above CanopyThermal Management: PassiveDimming: 0-10VLight Distribution: 120°Lifetime: >78,000 hrsPower Factor: >0.9Certifications: ETL / UL 8800 / CEWarranty: 5 Years Standard Warranty