Improved White Rendering: Experience colors and white like never before. Balanced spectrum, natural white 5000 Kelvin LEDs bring the noon day sun into your fixtures. Daylight bulbs have been proven to prevent eye strain, headaches, and glare while improving energy, productivity, and alertness. Power and Versatility: Watt for watt the XL9A19D50K produces more light with instant-ON technology and mercury-free solutions. Compatible with indoor and outdoor 120-volt applications. Suitable for open and enclosed fixtures. Producing an impressive 810 Lumens consuming only 9 watts of electricity. For the Love of Color: High CRI LEDs bring out true colors of an object. The allure of elevated illumination is possible when light magnifies design through an enhanced spectrum. Premium High CRI 5000 Kelvin LEDs infuse life into every space, they are better quality light bulbs. Rough Service LED: Rugged LED A19 light bulbs fortified by extra-thick, single mold poly housing built to withstand shock, vibration, and external stressors for both indoor and outdoor applications. Tight LED binning for consistency across all lamps and a brass base to prevent corrosion. Effortless Dimming: Smooth forward and reverse phase dimming compatible with most dimmer switches. Should a GoodBulb flicker, it’s a reminder of an older era, dimmer switches only compatible with higher wattage light bulbs.