Philips CorePro LED bulb A60 5.5W = 40W in 2700K Warm White, E27 offers a welcoming warm atmosphere, and although non-dimmable, its unique design radiates warm light in all directions, making it a true alternative to the incandescent lamp. Corepro LED bulb is ideal for general lighting applications and particularly suited to areas such as lobbies, corridors, stairwells, where the light is on for long periods. The A60 5.5W is compatible with existing fixtures which have an E27 screw holder, and is designed as a retrofit replacement for 40W incandescent bulbs.