Feature: 1. Wide Range: The remote metal detector has a detection range of 1200 meters and a depth of 25 meters. 2. High Sensitivity: Long range metal detector has excellent sensitivity and stability, and the detection results are accurate. 3. Precise Positioning: Underground metal detectors has a high quality long range search system and a precise positioning detection system for efficient detection. 4. Improve Efficiency: Gold detector uses microcomputer to control chip unit calibration, and the instrument and self checking system can scan and detect quickly and easily. 5. Power Display: Metal detector adds power display function, which is convenient to know the available time and power status of the machine in time. Specification: Item Type: Long Range Metal Detector Material: ABS Host Product Size:Approx. 27 x 15.5cm / 10.6 x 6.1in Transmitter Product Size:Approx. 12 x 8 x 4cm / 4.7 x 3.1 x 1.6in Voltage: 100-240V Range: 1200 Meters Depth: 25 Meters Host Battery (Shipped with Built in Battery): Nimh Rechargeable Battery, AAA, 1600mAh Transmitter Accessories Battery (Shipped with Built in Battery): Nimh Rechargeable Battery, AAA, 1200mAh Transmission Frequency: 5.6-6KHz Signal Frequency: 360-440Hz Detection Type: Gold, Silver, Copper, Gemstones Charging Time: 10-12 Hours Usage:For Metal Finding. Package List: 1 x Host Controller1 x Receiver 1 x Antenna1 x Plug Adapter1 x Plastic Box1 x User Manual Note: Host and transmitter shipped with built in battery.