Advanced Platinum Series P450 450w 12-band LED Grow Light - DUAL VEG/FLOWER FULL SPECTRUM Platinum LED lights have the HIGHEST PAR/LUMEN OUTPUT PER WATT of any LED grow light! 2x-3x the intensity of any other lights! SUPERIOR 12-band full spectrum from the depths of UV to the heights of IR - The most complete and efficient spectral output available Selectable VEG/FLOWER switches with 2x high speed whisper quiet fans plus ALL NEW upgraded aluminum cooling heat sinks 600w HPS replacement with 4.5ft x 4ft coverage at 18" height - PERFECT for compact applications or using multiple units for even coverage COMPLETE 5 YEAR WARRANTY plus our exclusive 90 DAY SATISFACTION OR RETURN GUARANTEE