1[Promote plant growth]: Blue (wavelength: 445nm~465nm): Help plant growth, enhance chloroplast activity, and promote plant photosynthesis. Red (wavelength: 625nm~660nm): promote plant production, germination and flowering. Best at all stages of plant growth. Best at all stages of plant growth. (Red and blue = 4:1) 2[Easy installation]: With tape. Connect the LED growth light bar and DC 5V power supply. Plug in the power source to turn on, and unplug the power source to turn off. Best lighting time: 8-12 hours. Keep plants growing perfectly. 3[Safety]: LED plant growth lights are made of flexible light bars. With IP65 waterproof design. It can be installed anywhere in any shape. Low power consumption, high luminous efficiency and long service life. The tape is safe and reliable, easy to use, and stable in performance. 4[Scope of application]: Plant tissue culture, indoor gardens, vegetable planting, gardening, industrial seedlings and aerospace ecological life support systems. We have different lengths for you to choose. With multifunctional design, it can even be used in bedroom, kitchen or any other place.1*LED Grow Light Strap