Elrigs A15 LED Bulb, 5W (40 Watt Equivalent), Cool White (6000K), E26 Base, Non-Dimmable, 450lm, Pack of 6 &gt; EYE CARE - Flicker free technology, bulb without flicker, reduce visual fatigue, protect your vision, perfect using for reading &gt; ENERGY EFFICIENT BULB - only 5w replace 40w, high energy efficiency, save 85% energy costs, no mercury &gt;MORE APPLICATIONS - Work with 110V also 220V, easy installation, standard E26 screw, fit for every light fixture with E26 socket &gt;PREMIUM HEAT DISSIPATION - Built in aluminium heat sink, ensure long lifespan, over 30000 hours average lifetime, reduce the frequency of changing bulb &gt;UNLIMITED WARRANTY - Elrigs offer 2 years unlimited warranty. Just contact us for any question or replacement