Item No/Voltage/Frequenc/yWattage/Lumen/Color temp/Cap/lifetime BH4-45W/220V/110V/50/60Hz/45W/2055/2700K/6400K/E27/B22/7000 BH4-80W/220V/110V/50/60Hz/80W /4500/2700K/6400K/E27/B22/7000 BH4-100W/220V/110V/50/60Hz/100W//2700K/6400K/E27/B22/7000 BH4-80W/220V/110V/50/60Hz/80W /2700k/6400k/E40/E27/B22/7000 BH4-100W/220V/110V/50/60Hz/100W/56002700K/6400K/E40 7000