... years *CE and RoHS UV led lamp,panel led culture for low cost greenhouse,120W-1000W Features:1000w led grow light uses 576pcs 2w high ... :1,7:2,7:1:1 with the mixture of red,blue,orange,yellow and white lights,or customized as your requests ... stage,our suggestions on the wavelength are red (620-630nm),red(640-660nm),blue (450-460nm),blue(460-470nm), You can choose the wavelength ...