A Starter Metal Detector for Kids (and Adults).
Widely used in science education thanks to its small size and light weight.
Are you a Parent ? Why not take your kids to the beach, and do a fun beach search gold hunt ?
Specifications: Power supply: One 9V battery(not including) Sensitivity: >30mm at hat pin >50mm (for a U S quarter)
Operation modes: All metal Operating frequency: 22 KHz Operating current and voltage
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