15W LED bulb is equiped by high performance LED.Luminous flux is 1200lm in warm white.CRI is over 70.It comes with medium screw base, which can replace incandescent bulb directly.VERY long life - rated to still put out 70% as much light after 30, 000 hours of operation as it does when brand new.Bean angle of this item is 160 degree.Illuminance(LUX) is similar to 1200lm