... can identify the voltage of cable,Scope: AC/DC 12~600V±2.5%lYou can see power of transmit ,code, fettle ... of battery, voltage of cable by transmitter.lYou can see power of transmit ,code, fettle of battery, warning ... another transmitter for more signal by identify.lApplications of communications cable, electric power cable, architecture, hot of project etc for construt and ...