and Safety: Advanced semiconductor lighting technology, premium aluminum lamp body and good heat dissipation ensure the long-term LED stability and effectively control the problem of light degradation. EVERYGROW's outdoor grow lights are UL certified, each of our grow lights has gone through a rigorous certification process to ensure maximum . and : One-piece daisy chain design, trumpet-shaped bulbs, waterproof rubber-coated switch which make our grow lights completely waterproof. We also reserved 2 small holes in the middle of the bulb to prevent water vapor from causing circuit problems inside the bulb. All these features make this grow light perfectly suitable for outdoor use. 380NM to 780NM Full Spectrum Lighting: 400nm-700nm spectrum nourishes photosynthesis, which drives plant growth and mass. 380nm-780nm triggers photomorphogenesis, which directs plant development and structure. Each grow bulb has a total of 48 LED chips, including 24pcs 3000K chips, 18pcs 5000K chips and 6pcs 660nm red light chips, providing full-spectrum and supplemental light that can suit all sprout, growing, flower and fruit stages. : With a total of 288 LED chips, 15000 Lumens luminous flux and 100 lumen/s, EVERYGROW professional grow lights help plants grow in all directions while maintaining more than 95% power factor and 23.5 umol/s photosynthetic photon flux. Adjustable and Versatile: Our grow lights can be connected end-to-end, combination enables them to be used in different areas. One switch can connect up to 120 lights at the same time(6 lights20pcs/12 lights10pcs). Notes: Please keep unused sockets and place these lights 30-50 inches above the plants for results. If you have any questions, please message us anytime.