LightEnrG 600W Super HPS Lamp - LightEnerG Super High Pressure Sodium Flowering Lamps are designed to outperform standard HPS lamps. They have a light spectrum shifted towards the red making them ideal during the flowering stage of growth with added blue spectrum for vegetative growth efficiency. TECHNOLOGY: Emits a red light spectrum, making it ideal for the flowering stage of growth Added blue spectrum for vegetative growth efficiency Provides more energy which is essential for optimized photosynthetic response Made with premium Japanese phosphorous FEATURES: Dependable long life (24,000+ hours) Universal Burning Position Compatible with magnetic and digital ballasts Environmentally friendly. -