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b A ttery A A A 1 , 5 V x2 |
non - contact detection of metal, voltage and wood |
automatic power - off, detects line wire (acoustic and optical indication), automatic calibration, detects live wires, metals and wood in ceilings, walls and floors |
live conductors at depth up to 5m, wood 25mm, metal 38mm |
battery AAA 1 , 5V x2 |