1: Txhawb ntau qhov chaw nres nkoj ib txhij them, txaus siab rau ob lub khoom siv ib zaug.
2.Large LED npo qhia, ntse digital zaub, ntsuas hluav taws xob, saib xyuas lub sijhawm kom muaj kev nyab xeeb dua
3.Aluminium alloy hlau oxidation txheej txheem, super metallic zoo nkauj, tsis tshua muaj kub thoob plaws, siab thermal conductivity
4.Intelligent identification nti, them nrog kev tiv thaiv kev them nyiaj thiab kev tiv thaiv kub dhau tib lub sijhawm