... , D30*1200mm, D30*1500mm, customer size acceptable. 3. LED lamp quantity: 144PCS for 600mm, 264PCS for 1200mm, 384PCS for 1500mm ... (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, ...