FeaturesSmall detecting scope for finding the broken needle accurately,Height regulating sensitivity for different kinds of clothing,Humming and lighting alarm annunciator,Supersensitive and long-life magnetic transducer
Alarm MethodBuzzer, Lamp, Beltstop light
Detecting area60 (W) x 25 (D) mm
Detecting abilityMetal Darner (0.75 x 30 )
Power9V
Detecting adjustment40 mm
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