Easy Installation - Standard R50 reflector with E14 small Edison screw, instant on without any delay. Warming up time is less than 0.5 seconds. Non-dimmable, no buzzing or humming Wide Beam Angle - Beam angle is 180°, which is perfect for residential and commercial lighting High Quality - CE Approved. If you have any idea feel free to contact us at your earliest convenience, we would offer the best service to you Extremely Long Life - With a life of 30,000 hours, the bulb will last over 27.3 years (based on 3 hours of use each day) 6- Bulbs Will be Supplied in this Pack