Feature: 1. [Sensitive And Stable] Underground silver detector has excellent sensitivity and stability, is the ideal tool for metal search to meet your various need. 2. [High Efficiency] Intelligent modular operation is powerful, which greatly improves the work efficiency and reduces the labor strength of inspection. 3. [Remote Search And Accurate Positioning] Metal detector with high quality remote search system and accurate positioning detection system. 4. [Self Inspection System] Using microcomputer to control the chip unit calibration, the self inspection system can quickly and conveniently scan and detect. 5. [With Display Screen] With a display screen, which is convenient to clearly understand the detection situation and the detection object, suitable for gold, silver, copper, and gems. Specification: Item Type: Metal Detector Material: ABS, aluminum Host Size: Approx. 28.5 x 16.5 cm / 11.2 x 6.5 in Accessory Size: Approx. 12 x 8 cm / 4.7 x 3.2 in Screen Display Size: Approx. 9.5 x 5.5 cm / 3.7 x 2.2 in Color: Yellow Voltage: 100-240V Range: Approx. 1000m / 3280.8ft Depth: Approx. 15m / 49.2ft Host Battery: Rechargeable lithium battery, 12V, 1600MAH (Battery Included) Transmitter Accessory Battery: Rechargeable lithium battery, 9.6V, 1200MAH (Battery Included) Transmission Frequency: 5.6-6KHz Signal Frequency: 400-470Hz Detection Type: Gold, silver, copper, and gems Charging Time: 10-12 hours Application: Metal search Weight: Approx. 3277g / 115.6oz. Package List: 1 x Plastic Storage Box1 x Host With Display (Battery Included)1 x Transmitter Accessories (Battery Included)1 x Earphone1 x Earphone Box1 x Accessory Rod1 x Plug Power Supply1 x English Manual Note: Products need to be used in an open environment without interference, can not be used indoors, indoor interference factors are numerous, such as mobile phones, electromagnetic field equipment and other interference detector signals, will cause product detection inaccurate phenomenon.