Feature 1Wide Range: The remote metal detector has a detection range of 1200 meters and a depth of 25 meters. 2High Sensitivity: Long range metal detector has excellent sensitivity and stability, and the detection results are accurate. 3Precise Positioning: Underground metal detectors has a high quality long range search system and a precise positioning detection system for efficient detection. 4Improve Efficiency: Gold detector uses microcomputer to control chip unit calibration, and the instrument and self checking system can scan and detect quickly and easily. 5Power Display: Metal detector adds power display function, which is convenient to know the available time and power status of the machine in time.Item Type: Long Range Metal DetectorMaterial: ABSHost Product Size:Approx. 27 x 15.5cm / 10.6 x 6.1inTransmitter Product Size:Approx. 12 x 8 x 4cm / 4.7 x 3.1 x 1.6inVoltage: 100-240VRange: 1200 MetersDepth: 25 MetersHost Battery (Shipped with Built in Battery): Nimh Rechargeable Battery, AAA, 1600mAhTransmitter Accessories Battery (Shipped with Built in Battery): Nimh Rechargeable Battery, AAA, 1200mAhTransmission Frequency: 5.6-6KHzSignal Frequency: 360-440HzDetection Type: Gold, Silver, Copper, GemstonesCharging Time: 10-12 HoursUsage:For Metal Finding .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Host Controller1 x Receiver1 x Antenna1 x Plug Adapter1 x Plastic Box1 x User ManualNoteHost and transmitter shipped with built in battery.