Peb nyob ntawm qhov ruaj khov technical force thiab txuas ntxiv tsim cov thev naus laus zis kom ua tau raws li qhov xav tau ntawm LR59 1.5V AG2,lwj 626, Khawm Roj Teeb Ib puag ncig 3v 2430, High Voltage qhuav roj teeb,Rechargeable Lithium Ion roj teeb 2000.Peb ib txwm nrhiav rau pem hauv ntej los tsim cov tuam txhab muaj txiaj ntsig kev sib raug zoo nrog cov neeg siv khoom tshiab nyob ib puag ncig.Cov khoom yuav muab rau thoob plaws lub ntiaj teb no, xws li Europe, Amelikas, Australia, Naples, Jakarta, Malta, Burundi.Ua lub ntsiab lus tseem ceeb ntawm "ua lub luag haujlwm".Peb yuav rov hais dua rau zej zog rau cov khoom lag luam zoo thiab kev pabcuam zoo.Peb yuav pib koom nrog hauv kev sib tw thoob ntiaj teb los ua thawj lub chaw tsim khoom ntawm cov khoom no hauv ntiaj teb.