... Typical LED lifetime : ≥100, 000 hrsUse high power LEDs, and all LEDs are connected in parallel, which are powered by low voltage, ... constant current; when and if one LED fails, it will not affect other ... 3, 2008Applications: High building, tower, crane, high chimney, lighthouse, high voltage cable tower, oil well, etc.Standard: MH-T 6012-1999 ...