1. The Metal Detector is a handheld metal detector designed to pinpoint metal (ferrous and non-ferrous) objects during the treasure recovery process. 2. This metal detector is designed to be used in conjunction with ground search metal detectors to help recover metal targets. 3. The metal detector has sound and vibration alarms to indicate the presence of metal objects. When the metal detector is close to the metal target, the alarm intensity will increase. 4. With the precise positioning of the tip and the scraper blade with side scan function, the metal detector can easily detect metal objects very effectively. 5. LED flashlight can help in dark and low light conditions. Parameter: 1. The sensitivity distance for detecting one-yuan coins is greater than or equal to 3.5-5cm, and it has an undervoltage indication function. 2. Detection method: vibration, light alarm 3. Power supply: 9V battery (battery is not included in delivery) 4. Working environment: temperature -20-60 degrees Celsius 5. Package size: 24 x 5 x 5cm 6. Single gross weight: 190 grams 7. Packing: white box packing