1. Hand-held design - the metal detector adopts a hand-held design, which can be carried at any time, which is convenient for detection at any time, easy to operate, and requires no special skills; 2. Sound alarm - when the metal detector detects metal, it will sound an alarm to remind the user that there are metal objects nearby, which is very convenient for the user to quickly locate the target; 3. High-sensitivity detection - the metal detector adopts high-sensitivity detection technology, which can detect metal quickly and accurately. Combining different sensitivity detection can realize the detection of deeply buried objects and improve the accuracy and accuracy of detection; 4. Strong practicability - the metal detector can be widely used in various fields, such as excavation of historical relics, geological survey, security inspection, etc., with a wide range of applications; 5. Affordable - the metal detector is not only comprehensive, but also affordable, it is a cost-effective metal detector.