This is a Osram Ledvance branded 5.9w LED R80 Reflector Spotlight with an edison screw cap and 2700k (Extra Warm White) colour output. The R50 Lamp is Dimmable and is an equivalent to the 60w traditional R80 Reflector Spotlight offering energy savings of 90% as well as an average lamp life of 25,000 hours. The product has a lumen output of 345lm and is perfect for accent and display spot lighting. This lamp is fully dimmable in any 240v type application with a dimming switch. The length of the reflector is 85mm and has width of 50mm. Ledvance part number: 4058075097308