No protection of the LEDs, but not annoying, if we do asparagus no water ... no mark or indication on lamps, or packaging, it must be content with the description on the site . Sometimes "flickers" but not enough to make a claim. to see in the durations, the 1 year warranty applies ... The aluminum / plastic parts are screwed, tighten, otherwise, when we want to remove it unscrews ... Seems illuminate as indicated, beautiful color. Better than the original cost paid within a large sign at bou broke down a few days.