iPower 1000W Pressure Sodium HPS Grow Light Bulb, High PAR Enhanced Red and Orange Spectrums, CCT 2100K, 2 Pack

High output: The bulb is compatible with electronic and magnetic ballasts, can produce a very balanced and efficient spectrum, and is one of the most energy-efficient sources of indoor sunlight. 140,000 lumens, CCT 2100K, E39 base,Extra-low lumen depreciation: Maintaining over 90% of initial lumen output after running for 5, 000 hours. In order to maintain better conditions of use, it is recommended to replace the bulb regularly,Special designed for plant growth: Designed specifically for professional hydroponic plant cultivation. Optimized red & orange spectrum and high PAR (Photosynthetic Active Radiation) to stimulate flower growth and enhance fruiting,Attention: The bulb is ideal for use in security lighting, roadway lighting and warehouses. Allow 3-5 mins startup time for full bright. After power off, do please wait at least 5 mins before striking again,Excellent bulbs: This kind of bulbs can be used for up to 24,000 hours and has the characteristics of a new type of long life with high lumen output and low energy consumption, which can save your energy costs and replacement costs