What makes Norb Smile CA 9W the right choice for wellness? Sunlike Spectrum supports good mood, energy and productivity. Helps support healthy sleep/wake cycle. Looks natural with near perfect color rendering. Combats Fatigue from too much time indoors (the average person spends 93 % of their time indoors in an unnatural light spectrum). Natural Sunlight Spectrum with Near Perfect Color Rendering of CRI 97 (objects look natural, not odd or color-distorted). Bright, High Quality, Full 9 LED Watts. Dimmable. Long Lasting- expected to last 15 years at an average of 4 hours per day run time (2 year warranty). Low cost to operate- Estimated annual cost only $1.74 when run for 4 hours per day. Versatile- Fits standard sockets ideal for recessed and track lighting. Standard E26 base. CA California Energy Compliant.