Espird Outdoor Grow Light, Greenhouse String Grow Light, Waterproof Plant Growing Lamps, UL Certified LED Grow Lights for Greenhouse Garden, 21.3FT Full Spectrum Grow Light for Veg Seedling Flower

[UL Certified Grow Light] Espird outdoor grow lights are UL certified. Compared with other plant lamps, UL stringent certification process means that our product is much safer and guaranteed. This outdoor grow light suits greenhouse planting and garden planting well.
[Waterproof LED Grow Light] Waterproof lamp holder, E26 socket, end-to-end connector and clear rubber covered on/off switch, these plant growing lights can be used both indoor and outdoor. The waterproof rank is IP44. Please note, you need to screw in the light bulbs they must be all the way in untill there should be no white part on the light bulb showing.
[Full Spectrum + 660nm Supplementary Light] Each grow light bulb contains 48 pcs LED chips, including 24 pcs 3000K chips, 18 pcs 5000K chips and 6 pcs 660nm red light chips. 400nm-700nm spectrum fuels photosynthesis, which drives plant growth and mass. 380nm-780nm triggers photomorphogenesis, which drives plant development and structure. So this grow light can suit all sprout, grow, flower and fruit stages.
[High Efficientcy] Total 288 LED chips, 15000 Lumen luminous flux, 100 lumen/s, more than 95% power factor, photosynthetic photon flux 23.5 umol/s, Espird professional grow light help plants grow in all directions. Aluminum lamp body can reflect the photons back to your plants without wasting.
[Adjustable Use Quantity] Our plant growth light can connect end to end, so you can use this greenhouse grow light in different spaces by free combination. One switch can connect up to 120 lights once time(6 light *20pcs /12 light * 10 pcs). Recommended installation height is 30 inches to 50 inches above plants. And if you just wanna use some bulbs but not all, please keep unused sockets protected since if the bulbs don' t screw in, the socket is not waterproof.