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Search Coil (or Probe): The round or elliptical coil located at the end of the detector’s arm is responsible for detecting metal objects. When it passes over metal, the coil generates an electromagnetic field that is altered by the presence of metal, triggering a response in the device. Control Box: This is where the electronics of the metal detector are housed, typically located on the handle or attached to the shaft. It contains the circuitry, display screen (if any), and settings that allow the user to adjust sensitivity, discrimination (to avoid certain metals), and modes. Shaft: The shaft connects the search coil to the control box and is adjustable to suit the height of the user, allowing for comfortable and extended use. Display Screen: Some modern metal detectors feature a digital display that shows information such as the type of metal detected, depth of the object, and signal strength. Audio Tone or Visual Indicators: The metal detector will emit an audio tone or a visual signal when metal is detected. Some detectors offer varying tones to indicate different types of metals, helping users identify objects without digging. Adjustable Sensitivity and Discrimination: Metal detectors come with settings to fine-tune the sensitivity, enabling users to detect objects at different depths, and discrimination, allowing users to filter out unwanted metals (e.g., iron) to focus on more valuable items. Battery-Powered: Metal detectors are typically powered by rechargeable or disposable batteries, ensuring portability and ease of use in outdoor settings. Key Features: Lightweight and Portable: Most metal detectors are designed to be lightweight and easy to carry, allowing users to scan large areas without physical strain. Waterproof Capabilities: Many models feature waterproof coils or entire units, making them ideal for use in wet environments like beaches or rivers. Target Identification: Advanced models provide detailed information about the detected object, such as depth and type, helping users decide whether it's worth digging. Ergonomic Design: Designed for comfort, especially during long periods of use, with adjustable handles and padded grips