Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.
•Automatically efficiently scan for the miss wiring, disorder cable, open and short circuit without damaging the insulation.
•Two Modes: The tone mode for tracing electrical wires, the continuity mode for checking for short and open circuits.
•Receive the tone signal on the cables or wires (telephone line) and identify the state in the working telephone line (clear, ring, busy).
•Especially useful in the installation, debugging, and maintenance of telephone wire.
•Multi-functions including continuity testing, network cable sequence collation, open/ short circuit testing and DC level testing.