AmazingLED&trade; 9W (Equivalent to 50W) A19 Dimmable Standard LED Light Bulb,ETL Listed,670 Lumen 110V Natural White 4200K Replace a 50W Incandescent bulb by 9W LED, saving at least 80% of energy Lifespan: 22.8 years (based on an average of 3 hours of usage per day) "ESTIMATED YEARLY ENERGY COST $1.08" (based on 3 hrs/day, $0.11/kWh) ETL certified. 100 % safe materials, free from heavy material. Light up instantly without flickering. MANUFACTURER's NOTE: We ship directly from Western State. Be sure to check where this item ships from; Non-American vendors may not be shipping authentic AmazingLED items. Make sure shipping times are less than 10 days.