1.PC yuam sij nrog lub teeb transmittance, kev ua haujlwm siab.
2. Cov khoom siv hluav taws xob hluav taws xob, kev ruaj ntseg lav, stainless hlau plhaub anticorrosion thiab plua plav pov thawj.
3. Muaj silicone waterproof nplhaib, khoom thiab txhim khu kev qha.
Cov khoom tsim nyog rau kev tswj xyuas, khoom siv tu cev, kev thauj mus los, khoom siv kev nyab xeeb, khoom siv kho mob, khoom siv hauv tsev, pib, thiab lwm yam.