Lagoon Conservation, Induction Grow & (5000K) Flowering Light 400watt Increase growth rate and decrease energy consumption Minimum lifespan of 100,000 hours. Over 10 years of continuous operation! Induction fixtures will satisfy ALL phases of the plants spectral requirements. This INCLUDES flowering! Ten year warranty. NO HARMFUL UVC & UVB which cause stress/shock and bleaching. No maintenance required  no more lamp changes. Lower wattage usage. Very little heat emitted! Induction lights are very efficient and little energy is lost in conversion to heat. Absence of high temperatures reduces air conditioning and ventilation costs. 5000K, natural color and spectrum: the closest to natural sunlight. Great lighting to provide bright and accurate color.