1000W VIVOSUN MH bulb compatible with electronic and magnetic ballasts, 105000 Lumens, E39 Base
Optimized blue & violet spectrum and high PAR (Photosynthetic Active Radiation) to stimulate flower growth and enhance fruiting
Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5,000 hours
Startup Time: allow 2-3 mins for full bright. After power off, do please wait at least 5 mins before striking again
Lifetime: 24,000 hours