The Gavita Pro 1700e LED fixture operates at 645 watts with an output of 1700 µmol s-1 PAR and an impressive efficacy of 2.6 µmol s-1 per watt. The Pro 1700e delivers broad, intense light coverage with its 8 passively cooled LED bars allowing you to use it in low rooms, vertical racks, over benches, or even in tents. This powerful, full-spectrum light source is intended for full-term plant growth from the vegetative stage to the higher-light-requiring bloom and finishing stages.