1. Cov qib tsis muaj kev ruaj ntseg: raws li lub teb chaws tus qauv, cov qib tsis muaj paug pluas yog 6. Cov qib 6 yog *, thiab cov tiv thaiv hmoov av hauv plhaub dej yuav tsum ncav qib 6, thiab nws lub cim cim yog IP6X.
2. Cov dej tsis raws cai: raws li lub teb chaws cov qauv kawm, cov qib tsis muaj dej tsis muaj zog yog 8. Cov chav kawm 6 yog lub pob txaws, chav kawm qib 7 yog hom dej nruj, thiab hoob 8 yog cov dej ntim ntawm cov dej ntim. Qhov qib thib yim yog *, thiab cov dej ntws ntawm qhov dej tawm hauv qab yuav tsum ua kom tiav qib 8, thiab nws lub cim cim yog IPX8.
Raws li cov kev cai lij choj saum toj saud, cov dej qab ntim hauv qab muaj cov qib 6 thiab qib waterproofing qib 8, thiab nws cim cim yog IP68.