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● It is used to detect the position of keel in the wall made of wood and gypsum board 19mm
● Display the detection results through different color LED, with voice prompt function
● Low voltage prompt function
● Operating temperature: 0~40 ℃
● Storage temperature: – 10~60 ℃
● Driven by a 6F22 9V battery (not included)
● Product specification: 146 * 63 * 35mm
