Total fixture efficiency of 2.7 mols per watt. Gives you a "red heavy" spectrum, allowing your crop to pile on huge weight during the flowering stage. Dimmable from 100% down to 25% without the need of an additional controller. Hits your plants with light from many directions and angles to maximise yields.Supplied dismantled so that it can fit through tight spaces up loft hatches, etc. Built with super-efficient Lumiled and Osram LEDs. "Spider" design gives the best (most uniform) light spread possible. Passive heatsink cooling - no fans. Optimised to produce the goods in a 1.2m x 1.2m or 1.5m x 1.5m grow tent. Very low profile - great for those with little headroom. Easy to assemble unlike other similar LEDs on the market. Total PPF of 1782 µmols per second. Has a whopping 50,000 hour life-span (equivalent to 11.42 years on a 12/12 cycle). The item "Maxibright Daylight LED Pro 660W Hydroponic Grow Room Lighting Hydroponics" is in sale since Wednesday, September 30, 2020. This item is in the category "Garden & Patio\Hydroponics\Grow Lighting & Accessories\Grow Light Kits". The seller is "growworld2010" and is located in Birmingham, West Midlands. This item can be shipped to United Kingdom, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Australia, United States, Bahrain, Canada, Brazil, Japan, New Zealand, China, Israel, Hong Kong, Norway, Indonesia, Malaysia, Mexico, Singapore, South Korea, Switzerland, Taiwan, Thailand, Bangladesh, Bermuda, Bolivia, Barbados, Brunei darussalam, Cayman islands, Ecuador, Egypt, Guernsey, Gibraltar, Guadeloupe, French guiana, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Sri lanka, Macao, Monaco, Maldives, Martinique, Nicaragua, Oman, Pakistan, Peru, Paraguay, Reunion, Saudi arabia, South africa, United arab emirates, Ukraine, Bahamas, Colombia, Jamaica, Kuwait, Panama, Qatar, Uruguay, Viet nam.