Constructed with a full-aluminum main struc- ture and a 304 stainless steel reinforced mountingframe,thispaneldelivershigh-stan- dard expansion strength. The openable side expansion design allows convenient cleaning of mud and debris from the side windows after off-roaduse,whilealsoprovidingadditional usable space when opened-ideal for outdoor cooking and temporary item placement. The system supports fully non-destructive installa- tion and has been road-tested over 12,000 km.