Osram HMI 575 W/DXS HMI Double End Lamps x 6PcsProduct features and benefits _ High intensity light providing true color performance with CRI up to 90 _ Color temperature approximately 6000 K simulates daylight _ Robust design provides durability during transport _ High energy efficiency providing up to 100 lumens watt _ Capable of hot restrike ignition _ Compression sealed base provides enhanced durability _ High energy efficiency providing up to 100 lm W _ Broad spectrum suitable for solar