You can also check LED Grow Light 75W Sunlike UV IR Growing Lamp for Indoor Plants Hydroponic Plant and LED Grow Light Plant Growing Lamp Lights for Indoor Plants Hydroponics US for a better comparison at Grow-light.org.

315W 5-MODE-ADJUST CDM Grow Light Fixture Features:1. 5-MODE VEGA ALUMINUM (99.9% reflective of Italian rated 98% reflectivity; the contour design and texturing eliminates spots and zones.2.
RESULTS MADE EASY: 315W CMH runs significantly cooler compared conventional and does be with and fan; efficient with energy not to heat.3.
HIGH-TECH Cutting-edge features advanced low frequency technology for high efficiency, reliability, no interference. with with American outlets.4.
GROW LIGHT COVERAGE: VIVOSUN an approximately 9 square vegetative and 6 square during the bloom phase.5.
EFFICIENT, FULL-SPECTRUM fixture delivers a spectrum HPS and PGZ18 socket; 3-year.
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