The efficient 1000W OptiLUME High Pressure Sodium Lamp emulates natural sunlight and promotes bud set, flower formation, and fruit and vegetable production as it distributes light energy concentrated in the red-orange portion of the spectrum. Universal design allows horizontal and base-up operation while the 32,000-hour life rating and one-year warranty ensure dependable performance. This high-output OptiLUME lamp emits 140,000 initial lumens and works with most 1000W high pressure sodium and two-way HID systems. Compatible with magnetic and electronic ballasts.