The NextLight 525w LED Grow Light is a full spectrum unit. It has a grow footprint of 3’ x 3’ for flower and 5’ x 5’ for veg. This unit has an actual output of 525 watts at the wall. 70,000 hour life rating which equates to 14 years at 12 hrs on/12 hrs off. No more bulb replacements. Designed for use from seed to harvest. Perfect for 3’ x 3’ or 4’ x 4’ tents or large grows.