Dear，Pls leave a massage to tell us what design (Color) do you want.thank you.

Number of LED: different on different designs，pls check and choose.Pls check each picturesLike this :1)3led， 3W Red(2)+Blue(1)2)5led， 5W Red(4)+Blue(1)3)7led， 7W Red(5)+Blue(2)4)9led， 9W Red(7)+Blue(2)5)12led，12W Red(9)+Blue(3) Body material: Aluminum (heat dissipation)Rated Hours: 20，000Wavelength : Red 660nm;Blue 445nmLumen: 100LMIllumination angle: 30~45 degreesWorldwide Voltage: AC : 85~265VApplication: indoor garden， pot plants， garden， seeding， breeding， farmland， spray plant， greenhouse plants， pipeline cultivation， flowering， etc.How dose the specific wavelength work:* Blue(wavelength: 400nm ~ 520nm): Help plants grow* Red(wavelength: 610nm ~ 720nm): Help plants sprout and flowering ， and is the key for flowering plants* IR(wavelength: 730nm): IR can help plants grow; UV(wavelength: 380nm): UV can help plants grow and kill insects. But they are very harmful to human beings， so we kindly suggest you do not use IR or UV in your grow lights， but we can add 1 or 2 pieces if you really need it in a specific situation .* Lighting time: 4-8hrsAttention:The light contains no infrared ray or ultraviolet radiation.Package Included:1X LED Bulb