The Energizer LED opal bulb is an energy-efficient direct spare for incandescent light bulbs. This LED lamp provides lumens of light with a regular lifespan, emitting a warm white light and fitting E27 cap fittings. These Opal Finish Energizer LED GLS Bulbs replicate traditional halogen bulbs in appearance and output, whilst offering an 85% energy saving. The bulbs are a true retrofit design, provide instant, flicker-free light and have an average rated life of 15,000 hours.