Light Bulb,Full Spc Ultra Grow LED, Bulb Beam Angle 180 Degrees , Bulb Shape A19, Light Technology LED, Incandescent Wattage Equivalency 150 W, Plant Growth Application All-Stage Growth & Maintenance, Height Control, Leaf Growth, Photosynthesis, Vegetative Growth, Spectrum Full/Broad, Shatter-Resistant Yes, Bulb Housing Polycarbonate, Peak Wavelength 700 nm, Bulb Manufacturers Warranty Length 1 yr, For Enclosed Fixtures No, Bulb Finish Frosted, Bulb Minimum Starting Temperature -4 Degrees F