Feature: 1. Identifying Metal Types: Treasure finder can accurately determine the buried location of objects, can locate, and can also identify the specific type of metal by means of a frequency adjuster. 2. Precise Positioning: This type of equipment has a long range search system and a precise positioning detection system, which breaks through the traditional detection method. 3. Intelligent Modularization: The Metal locator core is the strongest, intelligent modular operation is powerful and convenient, and the speed efficiency is easy and fast to advanced and efficient. 4. High Sensitivity: The detector has excellent sensitivity and stability, simple operation, convenient and quick to use. 5. Self Inspection System: Metal finder is calibrated by microcomputer controlled chip unit. The instrument and self inspection system can be scanned and detected quickly and easily, which improves the work efficiency of earth treasure enthusiasts and reduces the labor strength of inspection. Specification: Item Type: Metal Detector Material: ABS Weight: Approx. 3170g / 111.8oz Search System: Microcomputer Cpu Converter and Reflected Conductivity Product Size: Host: Approx. 29 x 16.5cm / 11.4 x 6.5in Accessory Size: Approx. 15 x 9.8 x 5cm / 5.9 x 3.9 x 2.0in Search Range: 1000 Meter Detection Depth: Approx. 15meter / 16.4yd Host Battery (Ship with Inbuilt Battery): NiMH Rechargeable Battery, AAA, 1600MAH Transmitter Accessories Battery (Ship with Inbuilt Battery): NiMH Rechargeable Battery, AAA, 1200MAH Transmission Frequency: 5.6-6KHZ Signal Frequency: 360-440HZ Detection Type: Gold, Silver, Diamond. Package List: 1 x Transmitter1 x Receiver1 x Antenna1 x Headphone Box1 x Headphone1 x Adapter1 x Plastic Box1 x User Manual Note: Must be free of interference in the field jungle environment strictly operate and maintain good smoothness