The Horti-Vision 720W SPECIALIST SLIM LINE LED is a 1944 μmol/s fixture with an impressive effciency of 2.7 μmol/j per watt. It can be used in a top light, multi-tier or indoor grow room/tent application. This powerful full spectrum light is designed to produce remarkable results from seed to flower at a much lower cost. The spread of red LEDs in the array guarantees a uniformly mixed spectrum on your plant at a short distance. A full spectrum increases the quality and yield of your crop. Output PPFD (μmol/m2/s) @ 30 cm 1160μmol/s