Tsawg voltage DC lub twj tso kua mis yog lub twj tso kua mis muaj kev nyab xeeb uas siv los ntawm DC21V-60V.Feem ntau me me, nws muaj qhov zoo ntawm kev nyab xeeb siab, tsis tshua muaj suab nrov, tsis tshua muaj zog siv thiab lub neej ua haujlwm ntev, ua rau nws zoo tagnrho rau cov suab paj nruag qhuav seev cev thiab sib tham sib seev cev seev cev.