Professional Metal Scanner Colored LCD Display Night Vision Underground Metal Scanner Item Type: Metal Detector Material: Aluminum Alloy Maximum Detection Depth: Approx. 15m/49.2ft This instrument can detect at least 6 meters for a 5cmx5cm object. For a 30cmx30cm object, it can detect up to 5-8 meters, and if the size of the object is buried for a long time, it can reach 15 meters. If the area of the object is larger, the depth of detection will deepen. Specific Functions: It can accurately determine the buried position of the object and can locate it. It can also rely on the frequency regulator to recognize the specific type of metal. Camera: 480P, 8 White LEDs, 1 Infrared Light (Color Night Vision) Screen: 640 x 480 Picture Pixel Color LCD Large Screen Search System: Microcomputer Processor Control and Reflective Conductivity Search Range: Approx. 1000m/3280.8ft Detection Depth: Approx. 15m/49.2ft Battery: 1 x 12V 1000mAh Rechargeable Lithium Battery ( Shipped With Built In Battery ) Transmit Frequency: 5.6-6KHz Signal Frequency: 400-470MHz Detection Type: Gold, Silver, Copper, Gems, etc.