Weight : The first-genertion poster is 48kg. The second-generation poster is 42kg.
Thickness : The first-generation poster is 36mm. The second-generation poster is 28mm
Fool-proof design for Module : The second-generation poster is Fool-proof design for Module Which means not need to worry about the short circuit when the module installation direction is incorrect.
Material of Cabinet : The first-generation Poster is Aluminum Fold. The second-generation poster is die-casting aluminum, stronger and flatter.
Easier handling for multi-poster splicing : The first generation Poster must remove the screws. The second-generation poster is easy to Splicing and no need to remove the frame.