... colors:Cool white,Pure white,Warm whiteLight source:Edison,Seoul,CreeLuminous flux:780lm (Edison),1100lm(Seoul and Cree)Beam angle:15 / 30 ... degreee CeliusTemperature:-40 ~ 70 degree CeliusBrightness degradation:7% - 10%/1kh(Edison),3% - 5% /1kh(Seoul and Cree)Life span:50,000 ...