iPower 400W HPS bulb stimulates flower growth and enhances fruit production; MH bulb promotes vegetative growth and leaf production
HPS bulb: 2,100K red & orange spectrum high PAR; MH bulb: 6,000K blue & violet spectrum and high PAR
Extra-low lumen depreciation: maintaining over 90% of initial lumen output after running for 5,000 hours.
Startup time: allow 3-5 mins for full bright. Please wait at least 5 mins after power shut off before striking again.
Long bulb life: 32,000 hours for HPS bulb & 12,000 hours for MH bulbs. New long lasting life with a high lumen output and low energy consumption. Warranty: 1 year