Energy saving up to 80%+ high intensity. Using PC-environment friendly material for tube. Auto-adjusting LED brightness for energy saving and degradation. 5-year lifespan. Special different view angles mixing lighting design. Instant start, no flickering, no humming. New inner high efficiency (85%) constant current driver, with heat protection system, can work under unstable voltage. Special circuit design, each LED work separately, avoiding the single broken LED influence problem. Electric wave resistant. No fluorescent flickering. No hazard of mercury or lead entering the environment. No RF interference. Applications: Hotels Conference/meeting rooms Factories offices Commercial complexes Residential/institution Underground parking area Icebox showcase Schools, colleges&universities Hospitals Places where need energy saving and high color rendering index lighting