Metal Detector Color LCD Display Night Vision Metal Handheld Scanner Gold Finder with Headphone Item Type: Metal Detector Material: ABS Maximum Detection Depth: About Approx. 25m / 82ft This instrument can detect at least Approx. 5m / 16.4ft meters for a Approx. 5 x 5cm / 2 x 2in object. For an object of Approx. 30 x 30cm / 11.8 x 11.8in, the detector can detect Approx. 5 to 10m / 16.4 to 32.8ft. If the object of this size is buried for a long time, can arrive Approx. 25m / 82ft. The larger the area of the object, the deeper its detection depth will be. Specific Functions: Accurately determine the buried position of objects and can locate them. Rely on the frequency regulator to identify the specific type of metal. Camera: 480P, 8 white LED lights, 1 infrared light (color night vision) Screen: 640 x 480 color LCD screen Search System: Microcomputer processor control and reflection conductivity Search Range: Approx. 1500m / 4921.3ft Detection Depth: Approx. 25m / 82ft Battery: Transmitter: 1 x 12V 18650 1600mAh rechargeable lithium battery (shipped with built in battery) Receiver: 1 x 12V 18650 1000mAh rechargeable lithium battery (shipped with built in battery) Transmission Frequency: 5.6-6KHz Signal Frequency: 360-440Hz Detection Type: Gold, silver, copper, jadestone, etc.