... .2.Efficiency and long life span,life time is over 50000 hours which is 70-90% energy saving than traditional lamps . ... vibration, no swinging, no fire hazards flat. Avoid falling from high altitude , collision with hard objects and knocking.Applications1. Store, plaza ... CE,UL & FCC and RoHS certificates successfully.Because of the high quality and the competitive prices,our products are to be sold ...