Best to Buy&reg; Full Spectrum 13W LED Grow Light Bulb for Veg and Flower, PAR38 E26 Base (Red 610-640 nm, Blue 450-470 nm) The design of this all-in-one full Spectrum LED grow light bulb allows maximum level photosynthesis food production, growth and flowering--all in one! All of our energy-efficient LED grow light bulbs are CE and ROHS compliant and come with a 3-year warranty. Lumen: 700-900 Number of LEDs: 10x 1 watt RED, (610-640 nm), 2x 1.5 watt Blue LED (450-470 nm) Bulb Type: PAR30 E26 Screw Base