Philips MasterLED A60 6W=40W DIMTONE clear bulb delivers a DIMMABLE glow effect that dims-to-warm from 2700K down to 2200K for a welcoming warm atmosphere, and its unique design radiates warm light in all directions, making it a true alternative to the incandescent lamp. An updated lens design for improved light effect, and high performance Dimtone dimming -the more you dim the warmer the light. New form factor, innovative design, the best high performance dimming, light all around, warm white light, >80% energy savings, long lifetime. MasterLED bulbs are ideal for general lighting applications and are particularly suited to areas such as lobbies, corridors, stairwells, where the light is on for long periods. The A60 6W is compatible with existing fixtures which have an E27 screw holder, and is designed as a retrofit replacement for 40W incandescent bulbs. It can deliver huge energy savings (over 80% savings) and with a rated lifetime of 25,000 hours, minimises maintenance costs without any compromise on light quality. The A60 6W can be used together with most leading-edge dimmers, enabling further efficiencies to help customers recoup their investment in less than 1 year. Furthermore there is no harmful UV or IR in the beam.