1. Power supply: 9V battery (not included) 2. LED screen: 2 inches 3. Current: 30mA 4. Sensitivity: 5cm (tested with a one-yuan coin) 5. Frequency: 3kHz 6. Power: 270mW 7. Search coil size: 6 inches (16.6cm) 8. Temperature range: -20~60 degrees Celsius 9. Can be used to search for coins, relics, jewelry, gold, and silver anywhere. 10. Enhances children and students interest in exploring nature. Many substances in nature contain metallic properties and exist in various forms. Through hands-on exploration and searching, children can subconsciously understand the wonders and mysteries of nature through their own practice, learning knowledge through play, and strengthening their hobbies and interests. 11. One-button start, convenient and quick to begin metal detection. High-sensitivity design ensures efficient and accurate detection, making it an ideal tool for metal detection tasks.
