However, this particular one was designed and built to maximize power/light intensity during the bloom/flowering phase. Both switches, labeled "Bloom" and "Growth, " are actually for Bloom. They did not change the labels on the switches, only the LEDs which are all in the spectrum ranges ideal for Bloom/Flowering. With a lifespan of 50,000 hours, this has been used fewer than 5,000 hours, less than 10% of the expected lifespan. Mars Hydro Mars II 1600 Flowering spectrum LED grow light, power cord included.
Coverage: 4.2'x4.2' (128cm x 128 cm). View Angle of LEDs: 90°-120°. Dimension: 23 "x23" x 4 (52cm x 52cm x 9cm). Hanging System: Bloom:12"-18" from plants. Work Temperature: -4°F 105°F (-20°C 40°C).This is specifically for the Flowering/Bloom phase only, not the Grow/Veg phase. The item "Mars II 1600W Flowering Spectrum LED Grow Light Panel Hydroponics Indoor Garden" is in sale since Monday, November 06, 2017. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Gardening Supplies\Hydroponics & Seed Starting\Grow Light Kits". The seller is "sirkevbar" and is located in Chesterfield, Missouri. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Russian federation, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica.