304 stainless hlau vaj tsev nrog waterproof roj hmab nplhaib.
Optional 232 propotal
4000ma lithium roj teeb, 1-2 lub hlis rau ib tus nqi;
Nrog daim ntawv pov thawj tawg, nrog 3.7V lub zog txuag patent
Nws yog ib tug ntev tsim qhov tseeb hais tias ib tug reder yuav txaus siab los ntawmqhov nyeem tau ntawm nplooj ntawv thaum saib