... light source , base on 288*1 high power LEDs with metal cover , built in 6 pcs ... of red , blue , orange ,yellow and white lights , or customized as your requests 5. Blue LEDs can easily be ... added to enhance vegetative growth , red LEDs are good for promoting ... red (620-630nm) , red(640-660nm) , blue (450- 460nm) , blue (460-470 nm) , You can choose the wavelength ...