Ichi ndi nyali ya UV ya udzudzu.Imagwiritsa ntchito mafunde opepuka kukopa udzudzu, kenako kugunda kwamagetsi kuti iwaphe.Ili ndi ukadaulo wopangira magetsi, kugwedezeka kwamphamvu kwamagetsi, kupha udzudzu wambiri, komanso moyo wautali wantchito.Ndi 360 ° bwinobwino, kukupatsani usiku wabata ndi womasuka.Ndi ntchito zosiyanasiyana, zoyenera zipinda zogona, zipinda zogona, minda, maofesi, mahotela, malo odyera, minda, etc.