The Maxi LED PRO 2X30W Propagation LED Grow light are designed for propagation. at 1000mm long each one will provide enough light for 2x average size clone or seedling tray. Spectrum Near Red is very important for the flowering stage as this encourages flower formation (as the light is emulating the spring and summer months). The Far Red spectrum penetrates deep into the plant's canopy increasing the amount of flowering sites & flower density. Both near red and far red wavelengths combined, greatly improves both quality and yield. Contents Maxi PRO LED grow light 2x 30w Power cable and accessories. Specifications Wattage 2 * 30w MAX Efficiency 66 μmol/s total light output (PPF) per strip Area Recommendation Suitable For up to 2 clone/seed tray (2 per LED) Dimensions 1000mm x 34 x 34mm Dimming No Daisy chain Yes up to 50 units