... ,have CE and ROHS certificate. Detailed information of PL lamp:compact fluorescent tube: PL-L1.Voltage: 220V 50Hz / 120V 60HZ2.wattage: 18 ... tube: 17mm4.lamp cap: 2G115.color temperature: 2700K / 4000K / 6400K6. light output (lumen): 1080/1440/1620/2160/33007. life time : 8000H8 ... , offices, factory, workshop, restaurant, shops, hotels, supermarket and etc. PL compact fluorescent tube