E27 4 w led retrofit lamp with a beam angle of 300the design of the lamp is reminiscent of the historic edison light bulb but it features a much longer lifetime in addition the lamp impresses with very low energy consumption and rightly has the best eec a to show for it characteristics provides about 15 000 hours of light has a warm white luminous colour of 2 700 kelvins can replace traditional halogen lamps of up to 40 watts cannot be dimmed mercury free