Heat Dissipation - Heat sink and built-in fan ensure good heat dissipation; Aluminum lamp body with premium thermal conductivity, which pulls heat away from important component in light bulb 360 Degree Illumination - 360 degree beam angle, ensuring no dark corners in our corn light bulb with full angle illumination; No UV or IR radiation in the beam and no flickering Easy Installation & Safe Use - Compatible with E39 socket, easy to install and operate; Do not contain lead and mercury, worry-free bulbs without toxic effects