Item No Voltage Frequency Wattage Lumen Color temp Cap lifetime BH4-15W 110V/220V 50/60Hz 15W 900 2700K/6400K E27/B22 7000 BH4-18W 110/220V 50/60Hz 18W 1080 2700K/6400KE27/B22 7000 BH4-20W 110/220V 50/60Hz 20W 1200 2700K/6400KE27/B22 7000