OSRAM SYLVANIA PAR38 17W LED Grow Light with Full Spectrum Powerful 17 Watt PAR38 grow light with enhanced spectra for flowering plants: white, blue, red and far red OSRAM OSLON horticultural LEDs with L70 lifetime of 100,000 hours, and rated lamp life of 25,000 hours Targets chlorophyll a & b absorption peaks with optics to deliver all energy to the plant canopy Use as the primary light source or supplement natural and/or artificial light Stays cool with lightweight, vented aluminum body which fits most household sockets (E26 screw-base)