The new Pro Grow UFO LED’s blend top bin SMD diodes from both Samsung and Osram for an outstanding efficacy of over 2.1 µmol/J. Pro Grow UFO LED’s emit 4,000 K full spectrum light with an industry leading CRI of 91.8. Coupled with ultra-reliable Optimum drivers, the light weight and durable die-cast aluminium housings offer cool, fanless & totally silent operation. Extended reliability is assured with IP-55 water resistant, cleanable housings. Pro Grow UFO LED’s are available in 100 W, 200 W, 300 W & 500 W configurations with outputs of PPF 210, PPF 420 & PPF 620 respectively. Total weight for all units are well under 3.5 kg making installation and mounting a breeze.