... 1.High power 285w 1.Energy saving up to85%,RGB rare earth phosphor 3.1 year warranty 4.Free sample 12U high ... , high lumen output, low cost, low heat out put 6.Large area irradiation and equal ray distribution 7.The bulb and ... ) 2700Kor 2100K Flowering Stage (Red Spectrum) 10.100% Tri-phosphor, large capacity IC chip, ST mosfet, negative temperature coefficient magnetic components ...