Metal Detector 1000M Range 15M Depth High Accuracy Sensitive Underground Treasure Finder Scanner for Gold Silver Copper Yellow Item Type: Metal Detector Material: Aluminum Weight: Approx. 1141g/40.2oz Product Size: Approx. 29x10x6cm/11.4x3.9x2.4in Battery (shipped without battery): 9V battery x 1 (Note: Rechargeable battery is recommended for easy use) Search System: CPU microcomputer control and reflection conductivity Search: 1000 meters Detection Depth: 15 meters Signal Frequency: 360 to 440 MHZ Detection Type: Gold, silver, copper, precious stones Working State: 1. When the antenna is fully charged, turn on the host and adjust the depth and range search function for detection; 2. In the case of stable hand holding without other interference, the specified detected items will swing from side to side when detected, and the swaying motion amplitude will increase when detected items are large