... : 50000Hours ; 4.Warranty Period: 2 year; 5.CE&ROHS 1. Aluminum + PC tube. 2. Size: D30*600mm, D30*1200mm, D30*1500mm ... white (3000~3500K). 8. Beam distance: 3~5 meter. 9. Light fading: 5% after 1000 hours continues working, no more fading ... and efficiency, energy saving, over 80% electricity saving than normal fluorescent lamp. Application: They are designed for hotel loft, supermarket, factory ...