1. Use 3w high quality led lighting source, the lifespan is over 50000 hours. 2. Replace 3~5 times of the hpsl power, 80% electric energy saving than the tradition hpsl and mhl. changeable according to different plants and environments, the same as the parameter. 7. Environment-friendly, no mercury and other harmful heavy metal. 8. Customers can choose the different ratios, our suggestion is red: blue=8:1 or 7:2, red: blue: orange=7:1:1. The suggested wavelength of the red is 620-630nm, the blue is 460-470nm and the orange is 610-615nm. With the mixture of red , blue, orange, yellow, uv, ir and white lights, provide the plants needed nutrient light. The red leds are good for sprouting and flowering, while the blue leds promote the growth, at the same time, customers also can choose the more suitable wavelength and led colors. Application: Ideal for all phases of plant growth, and works well with water solution culture and soil culture. Can be used in house garden, pot culture, garden, sowing, breeding, farm, flower exhibition, bonsai, garden, green house, sowing, breeding, farm, greenhouse cultivation, water soluble breeding, greenhouse cultivation, pipeline cultivation and so on.