One end power CCFL T8 tube light: 1,80% energy saving 2,50,000hrs lifetime 3, ... Start quickly,no flicker,it's suitable for the places where need be to long time lighting,e.g school,bank, ... than 500,000 times.- Easy to installation,can directly install on the old T8 fixtures after remove the starter on the ... ,hospital,hotel,conference room etc.Warranty : 3 years !!! : One end power CCFL T8 tube light