... Description1,High reliable constant current driving guarantees long life span of the lamp beads2,Wide input voltage :AC85-265V /50-60Hz ... lamp and 80% to traditional incandescent lamp, on the condition of same illumination4,Environment friendly, no flashing, no UV or infrared ... , mercury free, no polluting materials in the process of using5,Long life span of over 50,000 hours by normal use, ten ...