LED panel light: 1. Energy saved up to 50%. high intensity 2. Instant start, no flickering, no humming 3. New inner high efficiency (95%) With heat protection system, the constant current driver can work under unstable voltage. 4. Special circuit design, each LED can work separately thus it can avoid the influnence that a broken LED causes. 5. Working Temperature:-10 40 6. No electric wave. 7. No such hazard that mercury or lead enters the environment 8. No RF interference 9. Package Info: Ctn size: 128*35*8cm, 1 pcs/ctn, Gross Weight: 7.5KG/ctn,Volumetric Weight: 9KG/ctn.