1) Factory of led bulbs 2) Best price 3) AC100-240V, E26/E27 4) UL, CE, RoHS & FCC certified 5) 3 years warranty FEATURES:1) We use high power LEDs as light source with high brightness, long life and less heat.2) Self-developd constant-current power for power supply circuit greatly improve the stability of our products. And the power is built in, increasing light-emitting area. 3) Long Life: 50, ...