This is a 11w energy saving candle lamp with a small edison screw ses in colour 827 with a frosted finish these lamps have an average life of 8000 hours candle lightbulbs are suitable for use with decorative fittings such as chandeliers wall lamps etc a 11w energy saving lamp is equivalent to a 60w standard incandescent lamp these lamps are not suitable for use with dimmers electronic switches photocells timing devices or sensors