It is a wireless method which is convenient to handle.
It is a sound light type that can perform phase detection and phase rotation check with one unit.
The power switch is an automatic formula that enters just by bringing the tip hook close to the hot line.
It has built-in main circuit · battery test function before use.
It can be used for both insulated electric wires and bare electric wires (φ 5 mm to 200 mm 2 ).
It is a telescopic type, convenient for carrying.
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