The new Pro Grow UFO LEDs blend top bin SMD diodes from both Samsung and Osram for an outstanding efficacy of over 2.1 ?mols/s. Pro Grow UFO LED’s emit 4,000 Kelvin full spectrum light with an industry leading CRI of 90. 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 both 100 W and 200 W configurations with outputs of PPF 210& PPF 420 respectively. Total weight for either unit is well under 2.9 kgs making installation and mounting a breeze.