1. Sensitivity Adjustment: The sensitivity of a handheld metal detector can be adjusted to detect different sizes of metal objects. This allows for more precise scanning and helps to avoid false alarms. 2. Audio and Visual Indicators: When a metal object is detected, the device emits an audible,such as a beeping sound . LED flashlight helps to quickly and easily identify the location of the metal object. 3. Waterproof Feature: Some handheld metal detectors are designed to withstand harsh weather conditions and can be used underwater. This feature makes them suitable for use in marine environments or during rainy weather. 4. Ergonomic Design: The ergonomic design of a handheld metal detector ensures that it is comfortable to hold and easy to carry. This makes it convenient for operators who need to work for extended periods of time. 5. Battery Life: Most portable handheld metal detectors have a long battery life, which allows them to be used for extended periods of time without the need for frequent recharging., Manufacturer: CFWWSAQ