25m Depth Metal Detector Search System 1500m Range Metal Finder Scanner Device for Gold Silver Copper Jewel AU Plug 100-240V Item Type: Metal Detector Material: ABS Color: White Weight: Approx. 3012g / 6.6lb Product Size: Host Size: Approx. 28x16cm / 11.0x6.3in Accessory Size: Approx. 12x8cm / 4.7x3.1in Range: Approx. 1500m / 4921.3ft Depth: Approx. 25m / 82.0ft 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: 400-470Hz Detection Type: Gold, Silver, Copper, Jewel Charging Time: 10-12 Hours Usage: Metal Finding Working Status: 1. When fully charged, turn on the host detector, turn on the sensor switch, press the button corresponding to the item that the sensor needs to detect, and adjust the host detector to adjust the depth and range search function to detect. 2. In the case of steady hand-holding and no other interference, it will sway left and right when it detects the designated detection object, and the amplitude of the swinging action will increase when the detected object is larger.