Latest Model :Round shape RGBCW 5 in 1 color COB,High Power#300W#700W CNSP LED Chips,Red=620-630nm/Blue=460-470nm/Green=520-530nm/WW=2600-2800/CW=6400-6800k,A>95,100-110LM/W,43-46V /70-74V,ize: 50mm diameter , Emit Area Φ36mm,High Density, Super CRI ,Higher Stability .