AmazingLED&trade; -Pack of 12-7W (50W) MR16 GU10 Dimmable COB LED Light Bulb,UL listed,Natural White 4000K 7W=50W ,at least 86% energy saving Estimated yearly energy cost : $0.84 Lifespan: 22.8 years COB LED Chip. UL Listed, 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.