Product Features: Widely Used Metal Objects and Finding Perfect Places, Hidden Metals Must Be Detected. The Study Found That in the Design of Metal Gold, Silver Accessories, Accessories and Other Metals in the Soil. Adjustable Height Metal Detector-Adjustable Length Detector Is Comfortable to Use. Metal Detector Indicating Audio Alarm and Pointer Indication. Jack-Provides Headphones to Connect Headphones. Two Headphones Can Be Used in Stereo Or Single. Volume Control Adjusts the Output Volume of Speakers Or Headphones. The Research of Sealing Ring Can Use Metal Detector in Shallow Water. Product Specifications: 1. Power: 2X9V(6F22)2.5,000 KHz Frequency. 3. Current: 10mA: Sleep Max: 70 Ma4. Voltage: 7.2 9.6V 5. Operating Temperature: 6. Sensitivity: We Score 25: 130 MM7. Mode: The Mechanical Indicator of the Mode Indicates the Sound Mode 8. Stretch Length: 30.7 42.1 Inches 9. Detector: 6.5 Inches Diameter 10. Color: Black 11. Weight: 1.85kg 12. Size: 13. Bag Weight: 2.5kg 14. Packet Size: 28.3(L)* 9.1(W)* 5.9 Inches (H)