1. fausaga matagofie, voluma laiti, mamafa, maualuga malosi density ma torque density.2.small minute o le inertia, maualuga maualuga, lautele lautele nofoaga lelei, faʻasaoina o le malosi.3. lautele saoasaoa ma le saoasaoa tele, maualuga saoasaoa saʻo.4.strong overload gafatia, lelei faʻavavevave faʻatinoga, malosi malosi aʻe.5. maualuga puipuiga grade (IP67 / IP68), maualuga oloa tumau ma le faatuatuaina.6. le faʻapipiʻiina faʻapipiʻi ma le faʻatinoga o afi e mafai ona faʻapitoa e tusa ai ma manaoga o tagata faʻatau.7.product lelei tumau, maualalo le pisapisao, vibration itiiti, fetuutuunai maualuga siosiomaga, ola umi.8. Aumai le malosi o manatu faaalia lelei (masani ≮ 10-15%)