High Sensitivity Metal Detector For Treasure Hunting - Portable Underwater Adventure Detector For Outdoor Exploration

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Label: Yes Material: ABS Size: 27 x 3.2 x 4cm Operating frequency: 10kHz Detection method: sound, vibration, sound + vibration Required battery: 9V battery (not included)

Function description ”Didi" is turned on after 2 sounds, and then “Didi” 1 after 1 second.Power on: after pressing the switch button, the metal can be detected with a sound 2.Shutdown: Press and hold the button for 2 seconds, then ”Didi" 3 times, then turn off “Didi" 3.Low-power shutdown: When the battery voltage is lower than 7V, the buzzer will ”beep“ and ”beep" three times and then shut down. 4.Automatic shutdown; when no metal is detected in 5 minutes, it will ”beep“ and "beep" and turn off after 10 times in a single sound. If metal is detected during the sound, it will re-enter the next 5 minutes 5.Adjustment mode: Press the button briefly to adjust the mode when booting.A sound mode B vibration mode C sound plus vibration mode, the mode has a memory function, the last shutdown mode is the next boot mode