... -quality LED chips with high luminous flux and low light degradation, 3, High-powered factory >90% to ... sure the best energy saving, 4, Use PC tube and cover to insure the safety, 5, Saves ... more than 70% energy compared with traditional fluorescent tube, 6, Strict quality control, aging test for 48 ... 90~277V AC or DC Work Voltage DC36~DC40 Tube Material Aluminium & Clear PC Aluminium & Strip PC ...