The Crompton Thermal Plastic R50 4.5 Watt LED is a true retrofit replacement, in terms of brightness for an E14, Small Edison Screw incandescent with a 40 Watt rating. The Warm White colour temperature offers welcoming and calming illumination for display and directional lighting in museums, residential interiors, exhibition rooms, boutiques and hospitality applications. In addition this 120Deg beam LED reflector lamp boasts a 15,000 hour lifespan. This non-dimmable LED is for indoor use only.