Outdoor led display screen takes a big market share in whole led display field, because outdoor project always have big size. Many advertising company or outdoor media institute like to choose outdoor led screen as idea way to broadcast their advertisement and promotion contents. The feature for outdoor led wall is high brightness and far viewing distance, also waterproof is most important issue. Except that, in order to consider the installation factor, the product need to be light weight and easy maintenance. Beside that, now the power consumption is also what clients concerned, so we have to make energy-saving solution also. For outdoor led panels, the brightness is very import, or else very hard to see it clearly under sunshine, that’s depend on lamp material and brand, we always use the high quality one. In all, the products need to pass a lot strict test if want to be used in outdoor environment, as the condition is very tough.