Feature: 1. Quick and Efficient: Using microcomputer to control chip unit calibration, the instrument and self inspection system can be scanned and detected quickly and easily, which greatly improves the work efficiency of earth treasure enthusiasts and reduces the labor intensity of inspection. 2. Search and Positioning Detection: This underground metal detector has a premium remote search system and a precise positioning detection system, which breaks through the traditional detection method. 3. Good Features: This metal detector core is the strongest, and the intelligent modular operation is powerful, fast, efficient, advanced, easy, and convenient. 4. Advanced Detection Method: This equipment is the most advanced and practical detection method and economical metal detection instrument. 5. Sensitive and Stable: The underground metal detector has excellent sensitivity and stability, and is easy to operate and use. Fit gold, silver, copper, jewel. Specification: Item Type: Metal Detector Material: Aluminum Color: As Pictures Shown Weight: Approx. 1464g / 3.2lb Voltage: 100-240V Product Size: Host: Approx. 31x16.5cm / 12.2x6.5in Accessory Size: Approx. 11.5x7.5x3.5cm / 4.5x3.0x1.4in Range: Approx. 800m / 874.9yd Depth: Approx. 14m / 15.3yd Host Battery: Rechargeable NiMH Battery, AAA, 1600mAh (Shipped with Built in Battery) Transmitter Accessory Battery: Rechargeable NiMH Battery, AAA, 1200mAh (Shipped with Built in Battery) Transmission Frequency: 5.6-6KHz Signal Frequency: 360-440Hz Detection Type: Gold, Silver, Copper, Jewel Charging Time: 10-12 hours Application: Metal Search. Package List: 1 x Host 1 x Transmitter Accessory 1 x Plug Power Supply 1 x English Manual Note: 1. Be sure to operate strictly without interference in the wild jungle environment and maintain good stability.2. The host and transmitter can only be detected by turning on the switch together.