The detector also features an on & off button to switch the metal detector from sound alarm to light alarm, or from light alarm to sound alarm. It fits to work in different environments.
Premax handheld metor detector requires only 4-6 hours for charging. (the charger and rechargeable battery are ordered additional)
The alarm terms is sound and light alarm simultaneously, or vibration and light alarm simultaneously. You can choose the operate terms optionally.
When the low sensitivity on-off is pressed, the metal detector will only alarm when it finds big metal object (before you finish the low sensitivity detecting, don’t loose the on-off).
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