Metal Detector with Waterproof Search Coil, Pack of 2 G74073

The professional team of the only tool on works hard every day and only provides excellent tools to improve the quality of your life and work. MMD03 children's metal detector can be used to detect coins, lost gold and silver jewelry and other metal products. This is a great gift for both adults and children. Function description: Volume controller/power switch: The starting position has the lowest volume, gradually increase and rotate clockwise until it reaches the maximum volume. Sensitivity controller: The sensitivity is the lowest when turned counterclockwise to the end. When searching for a target, you can adjust the sensitivity to a higher position. If there is complex soil mineralization or electromagnetic interference, instability will occur, and it is recommended to reduce the sensitivity. Headphone jack: After the headphones are plugged into the jack, the built-in speaker will be disconnected. Battery low voltage indicator: When this light is on, the battery needs to be replaced as soon as possible, indicating that the battery is low.