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Basic metal detector sensor module with buzzer and LED alarm. Will detect metal at a range of up to 60mm, including through soil, cothing, etc. Requires an input voltage of 3-5V DC, which can be supplied to the module via the 2 pin screw terminal (e.g. battery pack, USB, power supply). The sensitivity can be adjusted by the VR1 potentiometer.
CKMD1
£3.50
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Green Ultra Bright 3mm Water Clear LED, 8400mcd 525nM 35 deg viewing angle