This is a Calex LED full glass filament ball bulb with a mirror-top finish and an Edison Screw base-type. An elegantly designed and beautifully finished bulb providing a Warm White (2700 Kelvin) with dimming function when paired with an LED dimmer this model provides the same light output as an incandescent bulb with a fraction of the energy output. The durability of this model is proven by its 15000 hour lifespan.