Provides good canopy penetration over a considerable area. Please get in touch if you have any questions. Dimensions :580mm x 880 x 16mm. Color : 3000K +660nm (deep red). PAR efficacy : 2.35 umol/j.The item "Bava Samsung 720W Quantum Board lm301b +660nm LED grow light cob 1532Mol/m2/s" is in sale since Monday, November 4, 2019. This item is in the category "Garden & Patio\Hydroponics & Seed Starting\Grow Light Kits". The seller is "goodleds" and is located in HK. This item can be shipped to United Kingdom.