Elfin Growth Hydroponic LED Plant Grow Lights, 12W, 12 LEDs, 3 Blue/9 Red Elfin Growth hydroponic led grow light have 12 LEDs (3 blue & 9 red), ultra bright EASY TO USE: well constructed and suited for a standard E26 socket in indoor and outdoor settings PERFECTED WAVELENGTHS FOR PEAK PERFORMANCE: 12 LED(3 blue & 9 red) emit the most efficient light wavelength to produce peak photosynthesis performance and cultivate plants and herbs. RELIABLE AND FRIENDLY CUSTOMER SERVICE: Ready to respond within 24 hours, 30-day money back guarantee, 12 month replacement warranty and lifetime support guarantee. TEMPERATURE CONTROL: Build with heat-sink metal aluminum keeping high intensity temperatures at the appropriate level for plant growth and protection. Low power consumption as light is fully absorbed by plants.