black star led grow light can be customized in: 1.ratio: ... :1 etc. 2.color: red,blue,orange etc. 3.spectrum black star led grow light : 1. 300W LED grow light can ... , etc. Notice:1: We supply 2 years warranty for the black star led grow light panel, not including the damage caused ... there are any problems , please feel free to contact me. super black star led grow light