Specifications: Indoor Use Only 3 Quiet Cooling Fan 1 Stainless Steel hanging kit 1 Power Cord Dimensions: 15.75" x 8.20" x 2.5" Coverage Area: 8~9 Square Feet for Vegetated Stage / 6~7 Square Feet for Flowering Stage LED view angle: 120 degress Actual Power Draw: 170 Watts Working Temperature range: 0-131 Degress Fahrenheit Humidity: 0%-95% Spectrum of Light : Vegetated Stage - 430-475nm, 620-630nm, 660nm and White Spectrum of Light: Growth & Bloom - 430-475nm, 620-630nm, 660nm, 730nm and White Our systems use 3 Watt Epistar Chips Apollo Horticulture understands that proper lighting is essential for healthy plant growth. Our new innovated and easy to install LED Grow Lights do just that. Compared to other grow lights, LEDs are attractive because they do not require ballasts and produce considerably less heat. This allows Apollo Horticulture LEDs to be placed closer to the plant canopy than other lights. Apollo Horticulture LED Grow Lights come with an impressive average life span of 50,000 hours and a limited 2 Year Warranty. These LED"s are ideal for all phases of plants growth and flowering. This system is suitable for grow tents, greenhouses, H2O systems and in most other Hydroponic systems.