High Sensitivity Metal Detector The metal detector allows you to quickly scan a large area, then use the pinpointing tip to zoom out and pinpoint the target before digging. The bar probe design allows you to insert a handheld metal detector into the hole for detection. 3 Optional Modes for Different Occasions The security stick metal detector is designed with three different modes: 1. Audio 2. Vibration 3. Audio+Vibration. The audio mode is suitable for a quiet environment on land, the vibration mode is suitable for underwater places with limited vision, and the audio + vibration mode is suitable for a noisy environment. IP68 Fully Waterproof This accurate metal detector is made of the latest high-quality waterproof material, suitable for both adults and children. And be able to explore underwater in any weather (heavy rain), in any location (lakes, rivers, ponds, oceans). 1. Power on: Press the switch button to make 2 beeps, then turn on the machine, and after 1 second, make a beep to detect metal. 2. Shutdown: Press and hold the button for 2 seconds and then shut down after 3 beeps of "Dididi" 3. Low power shutdown: When the battery voltage is lower than 7v, the buzzer will beep three times and then shut down. 4. Automatic shutdown; when no metal is detected in 5 minutes, it will "beep" and "beep"...shut down after beeping 10 times, if it detects metal during beeping, it will re-enter the next 5 minutes 5. Adjustment mode: Short press the button to adjust the mode when the device is turned on. A Sound mode B Vibration mode C Sound plus vibration mode, D In the power-on state, press twice to turn on the light and double-press to turn off the light. The mode has a memory function. The mode that was turned off last time is the mode that will be turned on next time