Features of this product: three modes are switched. The full red light mode promotes the rooting and flowering of growing plants. The full blue light helps prevent overgrowth, color with more meat, mix red and blue, and fill light of conventional plants. 8 kinds of brightness can be adjusted. Under the condition of continuous electricity, 24-hour cycle timer switch is supported, and lighting time has three options: 3 hours, 9 hours and 12 hours. Press timer switch once for 3-hour lighting cycle, press timer switch twice continuously for 9-hour lighting cycle, press continuously, and press timer switch three times for 12-hour lighting cycle. 20-30cm away from the plant, the effect is better, 6-10 hours a day, depending on the growth of the plant