How will the LED lamp board be replaced, cradle-to-cradle regards to replacing individual LEDs, whole board, or throw away fixture after component failure?

Check vehicle lamp bulbs to burn out failure is an extremely rapid and simple work, however, lamps and lanterns on the exterior of a comprehensive system of maintenance is not so simple.

It is precisely because there is always a light heart, Edison's failure to appear in 1000 after many tireless search for lamp filament material;