Grow better, stronger plants with Feit Electric 30-watt Selectable Spectrum LED Grow Lights. These medium-base LED bulbs provide the lighting essential for healthy plant growth while producing considerably less heat and using less energy than standard incandescent grow lights. With our selectable color switch, you can preset your preferred light spectrum, seeding, vegetative, or flowering, or set it to switch, for an easy toggle between light spectrums with a simple flip of a standard light switch. They have an intensity of 39/41/43 PAR/PPF ideal for herbs, succulents, flowers, small citrus plants, and vegetables. Since LED bulbs produce less heat, you can place them closer to plants without fear of leaf burn. Grow more in less space. Feit Electric LED grow lights have a long life span of 15,000 hours. These LEDs are ideal for all phases of plant growth including budding and flowering and are rated for high humidity use making it compatible with most hydroponic systems.