Lamp can illuminate for up to 3 hours after the power goes out Lamp can be removed from fixture as used as a flashlight in the event of a power outage Our LED lights are designed with EyeComfort, a standard we developed to measure key factors that impact the comfort of your eyes We are committed to energy-saving LED, and also driving sustainability by reducing plastic waste in our packaging Enjoy the beautiful light of Philips LEDs as you save on your energy usage, too