1.180 degree rotatable end cap with patent design 2. 70%~80% energy-saving over fluorescent tubes with chip from taiwan 3.Working voltage at dc36-40v, safety and stability 4.Aging test for 24 hours, turn on/off switch test for 8 hours 5.No rf interference, no flickering and low power consumption 6. No mercury and other hazardous materials, fully rohs-compliant 7.Warranty for 5 years, for different tube options Dimension:1200*26mm Weight:1280*24*24mm/15kg